Hi,
The way I would solve this is like below
- I will create a implementation for BADI EXEC_METHODCALL_PPF and copy the code from standard implementation BBP_PO_SEND_XML into it.
- Include piece of code where you check if it is a change version or not, if it is a change version exit the method.
- Also change SPRO config "Define Actions for Document Output" and replace the Method call settings with new BADI implementation.
I have another solution in my mind but that is bit tricky 
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thanks,
sankar.
Please do not ask for points. Message was edited by: Zoltan Keller