diff --git a/lib/syspro/logon.rb b/lib/syspro/logon.rb
index 2fddf00..6d4a735 100644
--- a/lib/syspro/logon.rb
+++ b/lib/syspro/logon.rb
@@ -18,7 +18,7 @@ module Syspro
       '/Logon'
     end
 
-    def handle_errors(resp)
+    def self.handle_errors(resp)
       body = resp[0].http_body
       raise AuthenticationError, body if body =~ /^(ERROR)/
     end
diff --git a/test/cassettes/test_client_block_execution.yml b/test/cassettes/test_client_block_execution.yml
index b3bb1e5..963dbba 100644
--- a/test/cassettes/test_client_block_execution.yml
+++ b/test/cassettes/test_client_block_execution.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,10 +27,10 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:43 GMT
+      - Mon, 14 May 2018 20:17:40 GMT
     body:
       encoding: UTF-8
       string: 7.0.0.6
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:42 GMT
+  recorded_at: Mon, 14 May 2018 20:17:40 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_get_syspro_version.yml b/test/cassettes/test_get_syspro_version.yml
index b3bb1e5..963dbba 100644
--- a/test/cassettes/test_get_syspro_version.yml
+++ b/test/cassettes/test_get_syspro_version.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,10 +27,10 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:43 GMT
+      - Mon, 14 May 2018 20:17:40 GMT
     body:
       encoding: UTF-8
       string: 7.0.0.6
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:42 GMT
+  recorded_at: Mon, 14 May 2018 20:17:40 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_logoff_error.yml b/test/cassettes/test_logoff_error.yml
index 84e28f5..3394f37 100644
--- a/test/cassettes/test_logoff_error.yml
+++ b/test/cassettes/test_logoff_error.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,10 +27,10 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:22:53 GMT
+      - Mon, 14 May 2018 20:17:51 GMT
     body:
       encoding: UTF-8
       string: 'ERROR: Unable to read the SYSPRO base directory registry string BaseDir8'
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:22:52 GMT
+  recorded_at: Mon, 14 May 2018 20:17:50 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_logon.yml b/test/cassettes/test_logon.yml
index 96606f2..64c8ba6 100644
--- a/test/cassettes/test_logon.yml
+++ b/test/cassettes/test_logon.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,10 +27,10 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:52 GMT
+      - Mon, 14 May 2018 20:17:49 GMT
     body:
       encoding: UTF-8
-      string: 'EC3098D6E284FB44ADF10671B3F06FCA00  '
+      string: 'DC3EC6C004B7FF4B8BF56FF221315DAA00  '
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:51 GMT
+  recorded_at: Mon, 14 May 2018 20:17:48 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_logon_error.yml b/test/cassettes/test_logon_error.yml
new file mode 100644
index 0000000..fe6764c
--- /dev/null
+++ b/test/cassettes/test_logon_error.yml
@@ -0,0 +1,36 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/logon?CompanyId=L&CompanyPassword=&Operator=wland&OperatorPassword=bad_password
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      User-Agent:
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
+      Content-Type:
+      - application/x-www-form-urlencoded
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Content-Length:
+      - '32'
+      Content-Type:
+      - application/octet-stream
+      Server:
+      - Microsoft-HTTPAPI/2.0
+      Date:
+      - Mon, 14 May 2018 20:17:51 GMT
+    body:
+      encoding: UTF-8
+      string: 'ERROR: Invalid operator password'
+    http_version: 
+  recorded_at: Mon, 14 May 2018 20:17:50 GMT
+recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_query_browse.yml b/test/cassettes/test_query_browse.yml
index fe5281d..51feea7 100644
--- a/test/cassettes/test_query_browse.yml
+++ b/test/cassettes/test_query_browse.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,21 +27,21 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:03 GMT
+      - Mon, 14 May 2018 20:17:02 GMT
     body:
       encoding: UTF-8
-      string: '64C41E1DEB73024CA660211DE643705700  '
+      string: 'B417B48864C0814DA59D1F349AEC8D8A00  '
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:01 GMT
+  recorded_at: Mon, 14 May 2018 20:17:01 GMT
 - request:
     method: get
-    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Browse?UserId=64C41E1DEB73024CA660211DE643705700%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CBrowse%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMBRW.XSD%22%3E%0A%20%20%3CBrowseName%3EInvMaster%3C/BrowseName%3E%0A%20%20%3CStartAtKey/%3E%0A%20%20%3CStartCondition%3E%3C/StartCondition%3E%0A%20%20%3CReturnRows%3E5%3C/ReturnRows%3E%0A%20%20%0A%20%20%3CBrowseDetails%3E%0A%20%20%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%20%20%3CTitle%3EStockCodes%3C/Title%3E%0A%20%20%20%20%0A%20%20%20%20%20%20%3CColumn%3E%0A%20%20%20%20%20%20%20%20%3CColumnName%3EStockCode%3C/ColumnName%3E%0A%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%3C/Column%3E%0A%20%20%20%20%0A%20%20%3C/BrowseDetails%3E%0A%3C/Browse%3E%0A%0A
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Browse?UserId=B417B48864C0814DA59D1F349AEC8D8A00%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CBrowse%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMBRW.XSD%22%3E%0A%20%20%3CBrowseName%3EInvMaster%3C/BrowseName%3E%0A%20%20%3CStartAtKey/%3E%0A%20%20%3CStartCondition%3E%3C/StartCondition%3E%0A%20%20%3CReturnRows%3E5%3C/ReturnRows%3E%0A%20%20%0A%20%20%3CBrowseDetails%3E%0A%20%20%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%20%20%3CTitle%3EStockCodes%3C/Title%3E%0A%20%20%20%20%0A%20%20%20%20%20%20%3CColumn%3E%0A%20%20%20%20%20%20%20%20%3CColumnName%3EStockCode%3C/ColumnName%3E%0A%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%3C/Column%3E%0A%20%20%20%20%0A%20%20%3C/BrowseDetails%3E%0A%3C/Browse%3E%0A%0A
     body:
       encoding: US-ASCII
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -60,7 +60,7 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:07 GMT
+      - Mon, 14 May 2018 20:17:06 GMT
     body:
       encoding: UTF-8
       string: "<?xml version=\"1.0\" encoding=\"Windows-1252\"?>\n<InvMaster Language='05'
@@ -68,5 +68,5 @@ http_interactions:
         OperatorPrimaryRole='   '>\n<Title>StockCodes</Title>\n<Row>\n<StockCode>\n<Value>02</Value>\n<DataType>AlphaNumeric</DataType>\n</StockCode>\n</Row>\n<Row>\n<StockCode>\n<Value>021</Value>\n<DataType>AlphaNumeric</DataType>\n</StockCode>\n</Row>\n<Row>\n<StockCode>\n<Value>0214011IFF</Value>\n<DataType>AlphaNumeric</DataType>\n</StockCode>\n</Row>\n<Row>\n<StockCode>\n<Value>022</Value>\n<DataType>AlphaNumeric</DataType>\n</StockCode>\n</Row>\n<Row>\n<StockCode>\n<Value>023</Value>\n<DataType>AlphaNumeric</DataType>\n</StockCode>\n</Row>\n<NextPrevKey>\n<PrevKey>02</PrevKey>\n<NextKey>023</NextKey>\n<Fwd>True</Fwd>\n<Back>False</Back>\n</NextPrevKey>\n<HeaderDetails>\n<Header>Stock
         code</Header>\n<Key>StockCode</Key>\n<KeyDescription>Stock code</KeyDescription>\n<Table>InvMaster</Table>\n</HeaderDetails>\n</InvMaster>\n "
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:06 GMT
+  recorded_at: Mon, 14 May 2018 20:17:05 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_query_fetch.yml b/test/cassettes/test_query_fetch.yml
index c335574..840d7cc 100644
--- a/test/cassettes/test_query_fetch.yml
+++ b/test/cassettes/test_query_fetch.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,21 +27,21 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:16 GMT
+      - Mon, 14 May 2018 20:17:15 GMT
     body:
       encoding: UTF-8
-      string: '5B21680F424424498B7CE7CCDA98B41700  '
+      string: '9A5B2797B021A04DA9E933CBCF3CB59700  '
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:15 GMT
+  recorded_at: Mon, 14 May 2018 20:17:14 GMT
 - request:
     method: get
-    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Fetch?UserId=5B21680F424424498B7CE7CCDA98B41700%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CFetch%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMFCH.XSD%22%3E%0A%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%3CKey%3E02%3C/Key%3E%0A%20%20%0A%20%20%3CFullKeyProvided%3EY%3C/FullKeyProvided%3E%0A%20%20%3CDefaultType%3E%3C/DefaultType%3E%0A%20%20%3CEspressoFetch%3EN%3C/EspressoFetch%3E%0A%3C/Fetch%3E%0A%0A
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Fetch?UserId=9A5B2797B021A04DA9E933CBCF3CB59700%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CFetch%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMFCH.XSD%22%3E%0A%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%3CKey%3E02%3C/Key%3E%0A%20%20%0A%20%20%3CFullKeyProvided%3EY%3C/FullKeyProvided%3E%0A%20%20%3CDefaultType%3E%3C/DefaultType%3E%0A%20%20%3CEspressoFetch%3EN%3C/EspressoFetch%3E%0A%3C/Fetch%3E%0A%0A
     body:
       encoding: US-ASCII
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -60,7 +60,7 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:26 GMT
+      - Mon, 14 May 2018 20:17:23 GMT
     body:
       encoding: UTF-8
       string: "<?xml version=\"1.0\" encoding=\"Windows-1252\"?>\n<InvMaster Language='05'
@@ -92,5 +92,5 @@ http_interactions:
         \    0.000</LoadingFactor>\n<SupplUnitCode/>\n<StorageSecurity/>\n<StorageHazard/>\n<StorageCondition/>\n<ProductShelfLife>
         \  0</ProductShelfLife>\n<InternalShelfLife>   0</InternalShelfLife>\n<AltMethodFlag/>\n<AltSisoFlag/>\n<AltReductionFlag/>\n<WithTaxExpenseType/>\n</InvMaster>\n "
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:24 GMT
+  recorded_at: Mon, 14 May 2018 20:17:22 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_query_query.yml b/test/cassettes/test_query_query.yml
index 1d6af87..6639629 100644
--- a/test/cassettes/test_query_query.yml
+++ b/test/cassettes/test_query_query.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,21 +27,21 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:35 GMT
+      - Mon, 14 May 2018 20:17:32 GMT
     body:
       encoding: UTF-8
-      string: '5810EEA000F1F04BA915BAF98CA700EE00  '
+      string: '34C603B5A0981D40BCB1B2E4111B1A5900  '
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:33 GMT
+  recorded_at: Mon, 14 May 2018 20:17:31 GMT
 - request:
     method: get
-    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Query?BusinessObject=COMFND&UserId=5810EEA000F1F04BA915BAF98CA700EE00%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CQuery%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMFND.XSD%22%3E%0A%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%3CReturnRows%3E5%3C/ReturnRows%3E%0A%20%20%3CColumns%3E%0A%20%20%20%20%0A%20%20%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%20%20%0A%20%20%3C/Columns%3E%0A%20%20%0A%20%20%20%20%3CWhere%3E%0A%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%3CExpression%3E%0A%20%20%20%20%20%20%20%20%20%20%3COpenBracket%3E(%3C/OpenBracket%3E%0A%20%20%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%20%20%20%20%3CAndOr%3EAnd%3C/AndOr%3E%0A%20%20%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%20%20%20%20%20%20%20%20%3CCondition%3EEQ%3C/Condition%3E%0A%20%20%20%20%20%20%20%20%20%20%3CValue%3E02%3C/Value%3E%0A%20%20%20%20%20%20%20%20%20%20%3CCloseBracket%3E)%3C/CloseBracket%3E%0A%20%20%20%20%20%20%20%20%3C/Expression%3E%0A%20%20%20%20%20%20%0A%20%20%20%20%3C/Where%3E%0A%20%20%0A%20%20%3COrderBy%3E%0A%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%3C/OrderBy%3E%0A%3C/Query%3E%0A
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Query?BusinessObject=COMFND&UserId=34C603B5A0981D40BCB1B2E4111B1A5900%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CQuery%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22COMFND.XSD%22%3E%0A%20%20%3CTableName%3EInvMaster%3C/TableName%3E%0A%20%20%3CReturnRows%3E5%3C/ReturnRows%3E%0A%20%20%3CColumns%3E%0A%20%20%20%20%0A%20%20%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%20%20%0A%20%20%3C/Columns%3E%0A%20%20%0A%20%20%20%20%3CWhere%3E%0A%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%3CExpression%3E%0A%20%20%20%20%20%20%20%20%20%20%3COpenBracket%3E(%3C/OpenBracket%3E%0A%20%20%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%20%20%20%20%3CAndOr%3EAnd%3C/AndOr%3E%0A%20%20%20%20%20%20%20%20%20%20%0A%20%20%20%20%20%20%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%20%20%20%20%20%20%20%20%3CCondition%3EEQ%3C/Condition%3E%0A%20%20%20%20%20%20%20%20%20%20%3CValue%3E02%3C/Value%3E%0A%20%20%20%20%20%20%20%20%20%20%3CCloseBracket%3E)%3C/CloseBracket%3E%0A%20%20%20%20%20%20%20%20%3C/Expression%3E%0A%20%20%20%20%20%20%0A%20%20%20%20%3C/Where%3E%0A%20%20%0A%20%20%3COrderBy%3E%0A%20%20%20%20%3CColumn%3EStockCode%3C/Column%3E%0A%20%20%3C/OrderBy%3E%0A%3C/Query%3E%0A
     body:
       encoding: US-ASCII
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -60,7 +60,7 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:23:43 GMT
+      - Mon, 14 May 2018 20:17:40 GMT
     body:
       encoding: UTF-8
       string: "<?xml version=\"1.0\" encoding=\"Windows-1252\"?>\n<InvMaster Language='05'
@@ -68,5 +68,5 @@ http_interactions:
         OperatorPrimaryRole='   '>\n<HeaderDetails>\n<TableName>InvMaster</TableName>\n<Columns>\n<Column>StockCode</Column>\n</Columns>\n<OrderBy>\n<Column>StockCode</Column>\n</OrderBy>\n</HeaderDetails>\n<Row>\n<StockCode>02</StockCode>\n</Row>\n<RowsReturned>
         \      1</RowsReturned>\n</InvMaster>\n "
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:23:41 GMT
+  recorded_at: Mon, 14 May 2018 20:17:39 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_sor_query.yml b/test/cassettes/test_sor_query.yml
index 3a2482f..4d735a4 100644
--- a/test/cassettes/test_sor_query.yml
+++ b/test/cassettes/test_sor_query.yml
@@ -27,15 +27,15 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Thu, 26 Apr 2018 19:08:08 GMT
+      - Mon, 14 May 2018 20:16:48 GMT
     body:
       encoding: UTF-8
-      string: 'E3333B82C68A4F4893184E2DE8C42E4A00  '
+      string: 'C525B53B5C1C0F4DA6A5DE07E7FE1D0000  '
     http_version: 
-  recorded_at: Thu, 26 Apr 2018 19:08:09 GMT
+  recorded_at: Mon, 14 May 2018 20:16:48 GMT
 - request:
     method: get
-    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Query?BusinessObject=SORQRY&UserId=E3333B82C68A4F4893184E2DE8C42E4A00%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CQuery%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22SORQRY.XSD%22%3E%0A%20%20%3CKey%3E%0A%20%20%20%20%3CSalesOrder%3E16R069%3C/SalesOrder%3E%0A%20%20%20%20%0A%20%20%3C/Key%3E%0A%20%20%3COption%3E%0A%20%20%20%20%3CIncludeStockedLines%3EN%3C/IncludeStockedLines%3E%0A%20%20%20%20%20%20%3CIncludeNonStockedLines%3EN%3C/IncludeNonStockedLines%3E%0A%20%20%20%20%20%20%3CIncludeFreightLines%3EN%3C/IncludeFreightLines%3E%0A%20%20%20%20%20%20%3CIncludeMiscLines%3EN%3C/IncludeMiscLines%3E%0A%20%20%20%20%20%20%3CIncludeCommentLines%3EN%3C/IncludeCommentLines%3E%0A%20%20%20%20%20%20%3CIncludeCompletedLines%3EN%3C/IncludeCompletedLines%3E%0A%20%20%20%20%20%20%3CIncludeSerials%3EN%3C/IncludeSerials%3E%0A%20%20%20%20%20%20%3CIncludeLots%3EN%3C/IncludeLots%3E%0A%20%20%20%20%20%20%3CIncludeBins%3EN%3C/IncludeBins%3E%0A%20%20%20%20%20%20%3CIncludeAttachedItems%3EN%3C/IncludeAttachedItems%3E%0A%20%20%20%20%20%20%3CIncludeCustomForms%3EN%3C/IncludeCustomForms%3E%0A%20%20%20%20%20%20%3CIncludeDetailLineCustomForms%3EN%3C/IncludeDetailLineCustomForms%3E%0A%20%20%20%20%20%20%3CIncludeValues%3EN%3C/IncludeValues%3E%0A%20%20%20%20%20%20%3CReturnLineShipDate%3EN%3C/ReturnLineShipDate%3E%0A%20%20%20%20%20%20%3CXslStylesheet/%3E%0A%20%20%3C/Option%3E%0A%3C/Query%3E%0A%0A
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/Query/Query?BusinessObject=SORQRY&UserId=C525B53B5C1C0F4DA6A5DE07E7FE1D0000%20%20&XmlIn=%3C?xml%20version=%221.0%22%20encoding=%22Windows-1252%22?%3E%0A%3CQuery%20xmlns:xsd=%22http://www.w3.org/2001/XMLSchema-instance%22%20xsd:noNamespaceSchemaLocation=%22SORQRY.XSD%22%3E%0A%20%20%3CKey%3E%0A%20%20%20%20%3CSalesOrder%3E16R069%3C/SalesOrder%3E%0A%20%20%20%20%0A%20%20%3C/Key%3E%0A%20%20%3COption%3E%0A%20%20%20%20%3CIncludeStockedLines%3EN%3C/IncludeStockedLines%3E%0A%20%20%20%20%20%20%3CIncludeNonStockedLines%3EN%3C/IncludeNonStockedLines%3E%0A%20%20%20%20%20%20%3CIncludeFreightLines%3EN%3C/IncludeFreightLines%3E%0A%20%20%20%20%20%20%3CIncludeMiscLines%3EN%3C/IncludeMiscLines%3E%0A%20%20%20%20%20%20%3CIncludeCommentLines%3EN%3C/IncludeCommentLines%3E%0A%20%20%20%20%20%20%3CIncludeCompletedLines%3EN%3C/IncludeCompletedLines%3E%0A%20%20%20%20%20%20%3CIncludeSerials%3EN%3C/IncludeSerials%3E%0A%20%20%20%20%20%20%3CIncludeLots%3EN%3C/IncludeLots%3E%0A%20%20%20%20%20%20%3CIncludeBins%3EN%3C/IncludeBins%3E%0A%20%20%20%20%20%20%3CIncludeAttachedItems%3EN%3C/IncludeAttachedItems%3E%0A%20%20%20%20%20%20%3CIncludeCustomForms%3EN%3C/IncludeCustomForms%3E%0A%20%20%20%20%20%20%3CIncludeDetailLineCustomForms%3EN%3C/IncludeDetailLineCustomForms%3E%0A%20%20%20%20%20%20%3CIncludeValues%3EN%3C/IncludeValues%3E%0A%20%20%20%20%20%20%3CReturnLineShipDate%3EN%3C/ReturnLineShipDate%3E%0A%20%20%20%20%20%20%3CXslStylesheet/%3E%0A%20%20%3C/Option%3E%0A%3C/Query%3E%0A%0A
     body:
       encoding: US-ASCII
       string: ''
@@ -60,7 +60,7 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Thu, 26 Apr 2018 19:08:15 GMT
+      - Mon, 14 May 2018 20:16:53 GMT
     body:
       encoding: UTF-8
       string: "<?xml version=\"1.0\" encoding=\"Windows-1252\"?>\n<SorDetail Language='05'
@@ -82,5 +82,5 @@ http_interactions:
         \ 0.000000</ShipGpsLat>\n<ShipGpsLong>   0.000000</ShipGpsLong>\n<ShipComplete>N</ShipComplete>\n<Email/>\n<FixExchangeRate>N</FixExchangeRate>\n<ExchangeRate>
         \    1.000000</ExchangeRate>\n<Edited_ExchangeRate>1.000000</Edited_ExchangeRate>\n<MulDiv>M</MulDiv>\n<ConsolidatedOrder/>\n<GstDeduction>I</GstDeduction>\n<CreditedInvDate/>\n<Job/>\n<SerialisedFlag/>\n<CounterSalesFlag/>\n<Nationality/>\n<DeliveryTerms/>\n<ShippingLocation/>\n<TransactionNature>000</TransactionNature>\n<TransportMode>00</TransportMode>\n<ProcessFlag>0</ProcessFlag>\n<JobsExistFlag/>\n<AlternateKey/>\n<HierarchyFlag/>\n<DepositFlag/>\n<EdiSource/>\n<MultShipCode/>\n<CompanyTaxNo/>\n<LastOperator>MATTB</LastOperator>\n<Operator/>\n<State/>\n<CountyZip/>\n<ExtendedTaxCode/>\n<WebCreated/>\n<Quote/>\n<DispatchesMade/>\n<LiveDispExist/>\n<NumDispatches>0</NumDispatches>\n<IncludeInMrp>Y</IncludeInMrp>\n<HeaderText>\n</HeaderText>\n<HeaderNotes>\n</HeaderNotes>\n</SorDetail>\n "
     http_version: 
-  recorded_at: Thu, 26 Apr 2018 19:08:15 GMT
+  recorded_at: Mon, 14 May 2018 20:16:52 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/cassettes/test_successful_logoff.yml b/test/cassettes/test_successful_logoff.yml
index 8ff8c38..9ee8340 100644
--- a/test/cassettes/test_successful_logoff.yml
+++ b/test/cassettes/test_successful_logoff.yml
@@ -8,7 +8,7 @@ http_interactions:
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -27,21 +27,21 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:22:53 GMT
+      - Mon, 14 May 2018 20:17:59 GMT
     body:
       encoding: UTF-8
-      string: '989D81EB0B184A499E7AC2E28724EE9000  '
+      string: '305EC4843488A34FA16A50494B42BA7C00  '
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:22:52 GMT
+  recorded_at: Mon, 14 May 2018 20:17:58 GMT
 - request:
     method: get
-    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/logoff?UserId=989D81EB0B184A499E7AC2E28724EE9000%20%20
+    uri: http://syspro.wildlandlabs.com:90/SYSPROWCFService/Rest/logoff?UserId=305EC4843488A34FA16A50494B42BA7C00%20%20
     body:
       encoding: US-ASCII
       string: ''
     headers:
       User-Agent:
-      - Syspro/7 RubyBindings/0.1.0
+      - Syspro/7 RubyBindings/1.0.0.alpha.1
       Content-Type:
       - application/x-www-form-urlencoded
       Accept-Encoding:
@@ -60,10 +60,10 @@ http_interactions:
       Server:
       - Microsoft-HTTPAPI/2.0
       Date:
-      - Fri, 06 Apr 2018 19:22:53 GMT
+      - Mon, 14 May 2018 20:17:59 GMT
     body:
       encoding: UTF-8
       string: '0'
     http_version: 
-  recorded_at: Fri, 06 Apr 2018 19:22:52 GMT
+  recorded_at: Mon, 14 May 2018 20:17:59 GMT
 recorded_with: VCR 4.0.0
diff --git a/test/logon_test.rb b/test/logon_test.rb
index 73c5345..177f750 100644
--- a/test/logon_test.rb
+++ b/test/logon_test.rb
@@ -23,4 +23,15 @@ class LogonTest < Minitest::Test
       ).guid
     )
   end
+
+  def test_logon_error
+    assert_raises(::Syspro::AuthenticationError) {
+      logon_result = ::Syspro::SysproClient.new.logon(
+        username,
+        'bad_password',
+        company,
+        company_password
+      )
+    }
+  end
 end
--
libgit2 0.21.4