Solution : https://service.sap.com/sap/support/notes/561221 (SAP Service marketplace login required)
Summary :
When creating a purchase order in ME25 and transferring to ME21N, error ME624 may occur if the buyer's role lacks necessary permissions for referencing a purchase requisition. This issue is due to incorrect function authorizations and can be resolved by either adjusting the EFB parameter as per Note 552189 or by implementing the provided correction, designed for SAP ERP 4.6C and later versions.
Key words :
purchasing enjoysap transaction, remark note 552189 corrects, purchase order referencing, purchaser function authorization, purchase order, function authorization, system checks, reference object, error me624 ', terms me624
Related Notes :
552189 | BAPI_PO_CREATE1: Technical fields available |