How can i find user who made PR with md02

We recovered that PR was created done MRP(MD02) astatine a concern that did not usage mrp plant. However, successful the PR and past tables, the idiosyncratic accusation is lone shown named "ROH CONTROLL", truthful I can't find which idiosyncratic made it. Although I tin predicted users done galore T-code, but it is conscionable a guess.

So, Is determination immoderate IMG mounting for entering this USER information, oregon is determination a mode to find retired the idiosyncratic name?