How To Fix MMRP01165 - Internal error: error when reading the component variants for matrix &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 165

• Message text: Internal error: error when reading the component variants for matrix &1

What causes this issue?

An error occurred during the reading of the component variants in the
matrix &V1&.

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?

Contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01165 - Internal error: error when reading the component variants for matrix &1 ?

  The SAP error message MMRP01165 indicates an internal error that occurs when the system encounters an issue while trying to read the component variants for a matrix configuration. This error typically arises in the context of variant configuration in SAP, where products can have multiple variants based on different characteristics.
  Causes:
  
  Data Inconsistency: There may be inconsistencies or corruption in the master data related to the material or its variants.
  Configuration Issues: The configuration settings for the material may not be set up correctly, leading to issues when the system tries to read the variants.
  Missing or Incorrect Master Data: Required master data (like characteristics, classes, or dependencies) may be missing or incorrectly defined.
  System Bugs: There could be a bug in the SAP system or a specific version that is causing this error.
  
  Solutions:
  
  
  Check Master Data:
  
  Verify that all necessary master data for the material and its variants is correctly defined and complete.
  Ensure that the characteristics and classes associated with the material are correctly set up.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for the material in the variant configuration. Ensure that all dependencies and constraints are correctly defined.
  
  
  
  Analyze Logs:
  
  Use transaction codes like SLG1 (Application Log) to check for any additional error messages or logs that might provide more context about the issue.
  
  
  
  Recreate the Material:
  
  If the material is corrupted, consider recreating the material master and its associated data.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  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 and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and CU50 (Configuration Profile) to manage material and variant configurations.
  Documentation: Review SAP documentation on variant configuration to ensure that you are following best practices in setting up materials and their variants.
  Testing: After making changes, conduct thorough testing to ensure that the error does not recur and that the configuration works as intended.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the MMRP01165 error in SAP.