DEF-2026-00427
CriticalP1In FixME21N: ZTERM not validated when posting to vendor 1000234
Issue Summary
When creating a Purchase Order in ME21N for vendor 1000234, the payment terms field (ZTERM) is not validated against the vendor master.
Reproduction Steps
1. Open transaction ME21N
2. Enter vendor 1000234
3. Enter payment terms "Z999" (invalid)
4. Save the PO
**Expected:** Validation error should appear
**Actual:** PO is saved without validation
Evidence
See attached screenshot from test execution run_2026_05_07_001.
Investigating the validation exit. Looks like ZTERM_CHECK is not being called.
Please prioritize - this is blocking cutover validation.
Found root cause - user exit not activated in S/4. Fix in progress.
Defect auto-raised
Test case TC_ME21N_VALIDATION failed
Triaged
Set severity to Critical, priority P1
Assigned
Assigned to M.Reddy (MM Functional)
State changed to In Fix
Root cause identified, fix in progress
Commit pushed
ZME21N_USEREXIT.abap pushed to TR STAK900123