How To Fix MD402 - &1: &2 (A9)

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 402

• Message text: &1: &2 (A9)

What causes this issue?

Not used at the moment.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD402 - &1: &2 (A9) ?

  The SAP error message MD402 typically indicates an issue related to the availability of materials in the context of production planning and material requirements planning (MRP). The message format usually includes placeholders for specific details, such as the material number and the plant.
  Cause:
  The error message MD402 is often triggered when the system cannot find sufficient stock or planned receipts to meet the requirements for a specific material. This can occur due to various reasons, including:
  
  Insufficient Stock: The available stock of the material is less than the required quantity.
  Incorrect MRP Settings: MRP parameters may not be set correctly, leading to incorrect planning.
  Lead Time Issues: The lead time for procurement or production may not be sufficient to meet the demand.
  Incorrect BOM or Routing: The Bill of Materials (BOM) or routing for the material may be incorrect or incomplete.
  Demand Changes: Changes in demand that have not been reflected in the planning process.
  
  Solution:
  To resolve the MD402 error, you can take the following steps:
  
  Check Stock Levels: Verify the current stock levels of the material in the relevant plant. Use transaction codes like MMBE to check stock availability.
  Review MRP Settings: Ensure that the MRP settings for the material are correct. Check the MRP type, lot size, and other relevant parameters.
  Analyze Demand and Supply: Use transaction MD04 to analyze the demand and supply situation for the material. This will help you identify any discrepancies.
  Adjust Lead Times: If lead times are too long, consider adjusting them in the material master or procurement settings.
  Check BOM and Routing: Ensure that the BOM and routing for the material are correctly defined and that all components are available.
  Run MRP: If changes have been made, run the MRP again to update the planning results. Use transaction MD01 or MD02 for this purpose.
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to the error message and its context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MMBE (Stock Overview), and MD01 (MRP Run).
  SAP Notes: Check for any SAP Notes related to MD402 for additional insights or patches that may address known issues.
  User Forums: Engage with SAP community forums or user groups for shared experiences and solutions from other users who may have encountered the same error.
  
  By following these steps, you should be able to diagnose and resolve the MD402 error effectively.