SNP planning run problem

Question: Hi experts,

Suddenly a peculiar problem started with my APO System. After SNP run the purchase requistions, purchase orders & VMI sales orders are getting published in R/3 but the R/3 order numbers are not returned back to APO. Till now it was working fine but today this problem started. I am unable to figure out what could have gone wrong?

Has anyone faced this problem earlier?

Please advice,

Thanks in advance,
John

Answer:
Did u apply service pack and which version support pack are you working?
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