I have created a blog which might help you with the issue, there I illustrate how create the missing CONTRL/3 message version in SAP control keys.
Adding Message Keys and Message versions - B2B EANCOM Message Editor
I have created a blog which might help you with the issue, there I illustrate how create the missing CONTRL/3 message version in SAP control keys.
Adding Message Keys and Message versions - B2B EANCOM Message Editor