How To Fix /STTPEC/MC_MD165 - Material number &1 cannot be converted

SAP Error Message - Details

• Message type: E = Error

• Message class: /STTPEC/MC_MD -

• Message number: 165

• Message text: Material number &1 cannot be converted

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 /STTPEC/MC_MD165 - Material number &1 cannot be converted ?

  The SAP error message /STTPEC/MC_MD165 Material number &1 cannot be converted typically occurs in the context of material master data processing, particularly when there is an issue with the conversion of material numbers between different formats or systems. This error can arise in various scenarios, such as during data migration, integration with other systems, or when using specific transactions that involve material data.
  Causes:
  
  Invalid Material Number: The material number provided may not exist in the system or may be incorrectly formatted.
  Data Type Mismatch: There may be a mismatch in the expected data type for the material number (e.g., numeric vs. alphanumeric).
  Configuration Issues: There could be configuration settings in the system that prevent the conversion of material numbers.
  Missing Master Data: The material master data may not be fully maintained or may be missing required fields.
  System Version Compatibility: If you are migrating data from an older version of SAP or from a different system, there may be compatibility issues.
  
  Solutions:
  
  Check Material Number: Verify that the material number you are trying to convert is valid and exists in the system. You can do this by using transaction codes like MM03 (Display Material) to check the material master.
  Review Data Formats: Ensure that the material number is in the correct format as expected by the system. Check for leading zeros, special characters, or incorrect lengths.
  Maintain Master Data: If the material number is missing or incomplete, ensure that all necessary fields in the material master are filled out correctly.
  Configuration Review: Check the configuration settings related to material number conversion in the system. This may involve consulting with your SAP Basis or technical team.
  Consult Documentation: Review SAP notes or documentation related to the specific error message for any known issues or patches that may address the problem.
  Debugging: If you have access to debugging tools, you can analyze the program or transaction that is generating the error to identify the root cause.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this specific error.
  Transaction Codes: Familiarize yourself with transaction codes related to material management, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or a consultant with expertise in material management and data conversion issues.