How To Fix MMRP01018 - Matrix has wrong state (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 018

• Message text: Matrix has wrong state (internal error)

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01018 - Matrix has wrong state (internal error) ?

  The SAP error message MMRP01018, which states "Matrix has wrong state (internal error)," typically occurs in the context of Material Management (MM) and can be related to issues with the matrix structure of materials or the configuration of the system. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Data Inconsistency: The matrix structure for materials may have inconsistencies or corruption in the underlying data.
  Configuration Issues: Incorrect configuration settings in the material master or matrix settings can lead to this error.
  System Bugs: There may be bugs in the SAP version you are using that affect the matrix functionality.
  User Authorization: Insufficient user permissions to access or modify matrix-related data can trigger this error.
  Transaction Errors: Errors during transactions that involve matrix materials can lead to this internal error.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Use transaction codes like MM02 to check the material master data for inconsistencies.
  Run consistency checks using transaction MMR1 or MMR2 to identify and correct any issues.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for matrix materials in the customizing settings (transaction SPRO).
  Ensure that all necessary fields and settings are correctly defined.
  
  
  
  Update SAP System:
  
  Check for any available patches or updates for your SAP system that may address known bugs related to matrix handling.
  Consult the SAP Notes database for any relevant notes that might provide fixes or workarounds.
  
  
  
  User Authorization:
  
  Ensure that the user encountering the error has the necessary authorizations to access and modify matrix materials.
  Review user roles and permissions in transaction PFCG.
  
  
  
  Recreate Matrix:
  
  If the matrix structure is corrupted, consider recreating the matrix from scratch, ensuring that all data is entered correctly.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes and steps taken before the error occurred.
  
  
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to MMRP01018 in the SAP Support Portal. These notes may provide additional insights or specific fixes.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error. Other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review SAP documentation related to matrix materials and material master data management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the MMRP01018 error in your SAP system.