Solution : https://service.sap.com/sap/support/notes/1458523 (SAP Service marketplace login required)
Key words :
symptom error message 8w 289, tab correction instruction, 161 movement type reason, md04 /afs/md04, program error, prerequisites reason, afs materials, transaction me21, terms retpo, item indicator
Related Notes :
1332367 | No error message issued while saving Return Purchase order |