I only manage to find 'USEREXIT_SET_STATUS_VBUK' , which is being triggered too often. I am trying to do some checks when the user clicks on the button to do GI or GR.
If there are hits, you have user exits of the second generation (handled with CMOD) or a BADI (handled with SE18/SE19). If this does not help -- this is likely the case in VL02 -- then you have to consider some minimal invasive surgery.
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