MM account assignment
Account assignment is mandatory for purchase order item
ME21N/ME22N will not save a PO item because a consumption/non-stock purchase requires a valid account assignment.
Quick answer
- Most likely cause
- The item category/material setup requires consumption posting but no account assignment category/object is supplied.
- Check first
- PO account assignment category and item category.
- First resolution step
- Choose the correct account-assignment category for the business purchase.
Likely root causes
- The item category/material setup requires consumption posting but no account assignment category/object is supplied.
- A G/L account, cost center, order, asset or WBS element is missing.
- The wrong material/item category was used for the procurement scenario.
What to inspect
- PO account assignment category and item category.
- G/L account and CO/asset/WBS assignment fields.
- Material valuation/stock setup and expected procurement process.
Resolution path
- Choose the correct account-assignment category for the business purchase.
- Enter the approved G/L and receiving CO/asset/WBS object.
- If stock procurement was intended, correct the material/item setup instead of inventing a cost object.
- Validate downstream GR/IR accounting.
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