How To Fix MPE_PLAN_MFG_SUB012 - A manufacturing substitute is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_PLAN_MFG_SUB - Manufacturing Substitute

• Message number: 012

• Message text: A manufacturing substitute is not available

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_PLAN_MFG_SUB012 - A manufacturing substitute is not available ?

  The SAP error message MPE_PLAN_MFG_SUB012 indicates that a manufacturing substitute is not available for a specific material or product during the planning or production process. This error typically arises in the context of production planning and scheduling when the system is unable to find an alternative material or resource that can be used in place of the primary one.
  Causes:
  
  Missing Substitute Material: The primary cause is that there is no substitute material defined in the system for the material in question.
  Incorrect Configuration: The configuration for the substitute materials may not be set up correctly in the material master or in the production planning settings.
  Material Status: The substitute material may be blocked or inactive, preventing it from being used in production.
  Planning Parameters: The planning parameters may not allow for substitutes to be considered, or the planning strategy may not be set up to utilize substitutes.
  Availability Check: The availability check for the substitute material may fail, indicating that even if a substitute exists, it is not available for use.
  
  Solutions:
  
  
  Define Substitute Materials:
  
  Go to the material master (transaction code MM02) and check if substitute materials are defined under the relevant views (e.g., Basic Data, MRP).
  If not, define the necessary substitute materials.
  
  
  
  Check Material Status:
  
  Ensure that the substitute materials are active and not blocked. You can check this in the material master data.
  
  
  
  Review Planning Parameters:
  
  Check the planning parameters in the material master and ensure that the system is set to consider substitutes during planning.
  Review the MRP settings to ensure that substitutes are included in the availability check.
  
  
  
  Run Availability Check:
  
  Perform an availability check for the substitute material to ensure it is available for the required production period.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to production planning and substitute materials for additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM02 (Change Material Master)
  MD04 (Stock/Requirements List)
  MD01 (MRP Run)
  
  
  
  Material Master Views: 
  
  Basic Data
  MRP
  Work Scheduling
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that may address known issues or provide additional solutions related to this error message.
  
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.