How To Fix /ISDFPS/MM012 - MRP controller &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 012

• Message text: MRP controller &1 not found

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 /ISDFPS/MM012 - MRP controller &1 not found ?

  The SAP error message /ISDFPS/MM012 MRP controller &1 not found typically indicates that the system is unable to find the specified MRP (Material Requirements Planning) controller in the system. This error can occur in various contexts, such as during the planning process or when trying to execute certain transactions related to materials and inventory management.
  Cause:
  
  Missing MRP Controller: The MRP controller specified in the transaction or configuration does not exist in the system.
  Incorrect Configuration: The MRP controller may not have been properly configured or may have been deleted.
  Data Entry Error: There may be a typographical error in the MRP controller code being used.
  Authorization Issues: The user may not have the necessary authorizations to access the MRP controller.
  
  Solution:
  
  
  Check MRP Controller Configuration:
  
  Go to the configuration settings for MRP controllers in SAP (Transaction Code: OMD0 or SPRO -> Production -> MRP -> MRP Controller).
  Verify if the MRP controller exists and is correctly configured.
  
  
  
  Create or Update MRP Controller:
  
  If the MRP controller does not exist, you may need to create it. Ensure that all necessary fields are filled out correctly.
  If it exists but is not configured properly, update the necessary details.
  
  
  
  Verify Input:
  
  Double-check the input for the MRP controller in the transaction where the error occurred. Ensure there are no typographical errors.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the MRP controller. This may involve checking user roles and permissions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on MRP controllers and their configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP Run), MD02 (Single-item, Multi-level Planning), and MD04 (Stock/Requirements List) to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any known issues or patches related to MRP controllers.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.