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Assume that you have Microsoft BizTalk Server 2013 R2 Cumulative Update 4 (CU4)  or BizTalk Server 2016 CU1 installed, and that you use the NCo connector to connect to an SAP instance. When you expand the IDOC category and then you select any IDOC to see the list of IDOC versions, you receive the following error message: 

Error occurred while browsing the LOB system. Adapter Message: An error occurred when trying to convert byte array: [/BEV1/NEMAT /BEV1/NEMATMAS05701 ] of RFCTYPE: RFCTYPE_CHAR with length: 4 and decimals: 0 to a .Net type. The parameter/field name is: RELEASED.


The issue occurs because of a code defect in BizTalk Server 2013 R2 or 2016 CU1. If the server is non-Unicode, the byteData value is calculated as SBCS type. This generates an ArgumentOutOfRangeException.


Cumulative update information

This problem was 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.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.


For information about the service packs and cumulative update list for BizTalk Server, see KB 2555976: Service pack and cumulative update list for BizTalk Server.

For more information about BizTalk Server hotfixes, see KB 2003907: Information about BizTalk hotfixes and cumulative update support.

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