How To Fix MPN12002 - Error in interface parameter plant on calling function module

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN12 - Message Class: Exchange in Quotation

• Message number: 002

• Message text: Error in interface parameter plant on calling function module

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPN12002 - Error in interface parameter plant on calling function module ?

  The SAP error message MPN12002, which indicates "Error in interface parameter plant on calling function module," typically arises when there is an issue with the plant parameter being passed to a function module. This error can occur in various contexts, such as during the execution of a transaction or when calling a specific function module related to materials management or production planning.
  Causes:
  
  Invalid Plant Code: The plant code being passed may not exist in the system or may have been incorrectly entered.
  Data Inconsistency: There may be inconsistencies in the master data related to the plant, such as missing or incorrect entries in the plant configuration.
  Authorization Issues: The user may not have the necessary authorizations to access the specified plant.
  Function Module Issues: The function module being called may have been incorrectly configured or may not be compatible with the parameters being passed.
  Custom Code: If there is custom code involved, it may not be handling the plant parameter correctly.
  
  Solutions:
  
  Check Plant Code: Verify that the plant code being used is valid and exists in the system. You can do this by checking the plant master data in transaction OX10 or OX18.
  Review Data Consistency: Ensure that all necessary data related to the plant is correctly maintained. This includes checking for any missing entries in the plant configuration.
  Authorization Check: Ensure that the user executing the transaction has the necessary authorizations to access the specified plant. You can check this using transaction SU53 after the error occurs.
  Debugging: If you have access to the ABAP development environment, you can debug the function module to see what parameters are being passed and where the error occurs.
  Consult Documentation: Review the documentation for the specific function module being called to ensure that you are using it correctly and passing the right parameters.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SU53 (Authorization Check).
  SAP Notes: Search for SAP Notes related to MPN12002 for any patches or updates that may address the issue.
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the MPN12002 error in your SAP system.