Assume that you use Microsoft BizTalk Server WCF-SAP adapter together with .NET Connector (NCo). When you try to receive strong-typed batch of iDOCs by using this adapter, you receive the following error:
The adapter "WCF-SAP" raised an error message. Details "System.ArgumentException: "typeName" can't be null or empty
Parameter name: typeName
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem is fixed in the following cumulative updates for BizTalk Server:
Cumulative Update 1 for BizTalk Server 2020
Cumulative Update 7 for BizTalk Server 2016
For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:
2003907 Information about BizTalk hotfixes and Cumulative Update support
Third-party information disclaimer
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.