“Microsoft.BizTalk.Administration.EdiExt.ComboItem” error when you save changes for EDIFACT/X12 encoding settings

Applies to: BizTalk Server 2016 BranchBizTalk Server 2016 DeveloperBizTalk Server 2016 Enterprise


When you try to save your changes for EDI Agreement that use the EDIFACT/X12 encoding protocol settings, the changes are not saved. Additionally, you receive the following error message:


The fix that resolves this issue is included in the following update for BizTalk Server:

Cumulative Update 5 for BizTalk Server 2016


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.