BizTalk Adapter for DB2 doesn't return useful error when send port custom SELECT statement contains duplicate columns in WHERE clauseCASE expression. Additionally, you receive the following error:
An item with the same key has already been added.
BizTalk Adapter for DB2 doesn't return useful error due to which the user identifies incorrect duplicate column references in WHERE clauseCASE expression.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.