When you connect to a non-Unicode SAP system in Microsoft Visual Studio by using the .NET Connector (NCo) in Microsoft BizTalk Server (as described in Connecting to the SAP System in Visual Studio), retrieving metadata for IDOC/RFC/tRFC/BAPI operations causes errors that resemble the following:
Adapter Message: An error occurred when trying to convert byte array: [/BEV1/NEMAT /BEV1/NEMATMAS05 701 ] of RFCTYPE: RFCTYPE_CHAR with length: 4 and decimals: 0 to a .Net type. The parameter/field name is: RELEASED.
Error occurred while browsing the LOB system. Adapter Message: Error in deserializing body of reply message for operation 'Browse'.
This issue is fixed in the following cumulative updates for BizTalk Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For information about the service packs and cumulative update list for BizTalk Server, click the following article number to view the article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:
2003907 Information about BizTalk hotfixes and Service Pack support
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