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ME28 Cancel release of purchase order


when I try to perform a cancellation of a release of a PO I get an error message:

ME 175 Document already treated. Function not possible

It should be possible to cancel the release of alll released purchase orders. Can you help me?

Thanks a lot!

Former Member
Former Member replied


please read the following:

Note 493900 /12. Question :

Is it possible to cancel a release strategy when the purchase order has

been printed out ?

Answer :

With ME29N you cannot cancel a release strategy once the document has

been printed out. This behaviour constitutes a new design. Regarding

ME28 it has been decided to keep the old behaviour and you can cancel

the release if there is at least one message type which has not been

printed out.

Please note AT LEAST ONE message type has NOT been printed out with


Alternatively, you can try the following:

- Transaction: SPRO

->MM->Purchasing->PO->Release procedure for PO

->Define relesae procedure for PO

->Release Strategies

->Release Status

- choose the button release indicator and

5 Changeable, new release if new strategy/outputted

6 Changeable, new rel. if new strat. or value change/outputted

- go into transaction ME22(N)

- you will get the warning message 06 684 stating

'Releases already effected are liable to be reset'

- change the price and save the p.o.. Now a change message will be

created and will be send to the vendor again.

- Please note that the release strategy will only be reset if the price

is increased. When it is decreased it won't be reset. But in both

cases a change message will be created and send to the vendor.

- after the change of the p.o. you will have to release it again. After

the release the change message will be printed.

Hope this will help to solve the issue,



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