How To Fix MM092 - The length of the old material number must not exceed 18 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 092

• Message text: The length of the old material number must not exceed 18 characters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM092 - The length of the old material number must not exceed 18 characters ?

  The SAP error message MM092 indicates that there is an issue with the length of the old material number when trying to change or create a material in the Material Management (MM) module. Specifically, the error states that the old material number must not exceed 18 characters.
  Cause:
  The error typically occurs in the following scenarios:
  
  Material Number Length: The old material number you are trying to use exceeds the maximum allowed length of 18 characters. In SAP, material numbers are often defined with a maximum length, and exceeding this limit will trigger the error.
  Data Migration or Upload: If you are migrating data or uploading materials in bulk, the old material numbers may not conform to the required length.
  Incorrect Configuration: There may be a configuration issue in the material master settings that is causing the system to expect a different format or length for material numbers.
  
  Solution:
  To resolve the MM092 error, you can take the following steps:
  
  
  Check Material Number Length:
  
  Ensure that the old material number you are trying to use is 18 characters or fewer. If it exceeds this limit, you will need to modify it to fit within the allowed length.
  
  
  
  Data Validation:
  
  If you are uploading data, validate the data file to ensure that all material numbers conform to the length requirement. You may need to truncate or modify the material numbers in your data file.
  
  
  
  Review Configuration:
  
  Check the configuration settings for material numbers in your SAP system. This can be done in the IMG (Implementation Guide) under the Material Management section. Ensure that the settings for material number length are correctly defined.
  
  
  
  Use Alternative Identifiers:
  
  If you need to retain longer identifiers, consider using alternative fields or identifiers that can accommodate longer values, such as a custom field or a different naming convention.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific guidelines related to material number formats and restrictions.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured in SAP can help in managing material numbers effectively.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Exits and Enhancements: If your organization has custom enhancements or user exits related to material number handling, review those to ensure they are not causing the issue.
  
  By following these steps, you should be able to resolve the MM092 error and successfully manage your material numbers in SAP.