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Source of supply cannot be determined in intercompany PR

Jan 13 at 11:42 AM


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Dear experts,

can you please help me in the next issue -

After MRP run, I'm getting inter-company PRs (with item category = U) where due to of having special procurement key, supplying plant is automatically determined. Later when purchasing contract was entered into the system, I have to assign it by using standard source of supply procedure (t-code ME52N), but system returns a message "06553 Not possible to assign source of supply". How can I fix it?

If I had the purchasing contract before MRP run, I would fix it (and make it relevant to MRP in ME01) and in that case PR would be created already assigned to that contract (no matter that there is item category U is set).

Thank you in advance,


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1 Answer

Jürgen L
Jan 13 at 01:26 PM

Please read KBA 1528127 - Error 06553: "Not possible to assign a source of supply" in transaction ME51N

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Hi Jurgen, thank you for your reply.

I've made required in that note changes but it doesn't help.

Maybe this is because of item category = U that fills in inter-co PRs.


have an ABAPer debug to be sure.

I can't help further with this little info. The KBA has listed many points that need to be checked. You would actually need to tell for each of these points how your setting is.