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Jul 26, 2019 at 10:26 PM

How to display error message in ME22N tcode.


Dear All Expert,

I would like to implement user exit in tcode ME22N.

The scenario is : In tcode ME22N by standard SAP behaviour PO qty and net price fields are in the change mode. If PO has already full GR and if someone tries to change that two fields and click on save button then error message

''For this PO, complete GR is done. You cannot edit this PO.'' should be displayed otherwise not.

So please tell me step by step procedure to achieve this, as I am new to enhancements.

Thanks in advance.