Update purchasing group in inforecord

Hi all

I have a reqmnt to update the inforecord with Pruchasing group.

After searching this community i found that FM

ME_UPDATE_INFORECORD can be used.

But It is not working.

I am providing inforecord number in YEINA

and in YEINE i am providing info num, pur org, plant, esokz and purch grp.

but this doesnot change the purch grp in the info rec.

am i missing anything?

thanks

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