How to Delete Purchase Order SAP MM using ME22N First go in change and display mode then delete service line after that delete PO Line item If your Purchase Order approved and Service Entry Sheets or Goods Receipt (MIGO) activity maintained then- 1-Cancel MIGO/DELETE SES 2-Re woke PO using ZMMP_INI_AMEND (https://www.youtube.com/watch?v=Sw-5ny0EJCQ&t=429s) then follow steps in this video