Common SAP MM Errors and Solutions
Below is a list of frequently encountered errors in SAP Material Management (MM), along with a brief description. Click on each error to view a detailed explanation and step-by-step solution.
Description:
Issues arising from incorrect or incomplete material master data, leading to problems in procurement, inventory, or production processes.
Common Symptoms:
- Cannot create Purchase Order (PO) for a material.
- Incorrect valuation or quantity in inventory.
- Error messages like "Material XXXXX does not exist or is not activated."
Description:
Problems encountered when creating new purchase orders or during the PO release strategy approval process.
Common Symptoms:
- "No suitable purchasing organization found."
- PO stuck in approval workflow.
- Error "Account assignment mandatory for material XXXXX."
Description:
Difficulties in posting goods receipts against purchase orders, often due to quantity discrepancies, date issues, or account determination errors.
Common Symptoms:
- "Deficit of PU IR quantity."
- "Posting period not open."
- Error "Account determination for entry XXXX not possible."
Description:
Invoices getting blocked during verification due to price variance, quantity variance, or missing goods receipts.
Common Symptoms:
- Invoice blocked for payment.
- Error "Balance not zero."
- "Quantity invoiced exceeds quantity received."
Description:
Mismatches between physical inventory and system stock, often caused by incorrect postings, missing movements, or data corruption.
Common Symptoms:
- Stock quantity in system does not match physical count.
- Negative stock issues.
- Valuation differences.
Description:
Problems related to automatic source determination in purchase requisitions or purchase orders due to incorrect source lists or purchasing info records.
Common Symptoms:
- System cannot determine a source of supply.
- Incorrect vendor or price proposed.
- Error "No valid source of supply found."