How To Fix BMG142 - The numeric material number is longer than 18 digits

SAP Error Message - Details

• Message type: E = Error

• Message class: BMG - Messages for Conversion Exit MATN1

• Message number: 142

• Message text: The numeric material number is longer than 18 digits

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BMG142 - The numeric material number is longer than 18 digits ?

  The SAP error message BMG142 indicates that the numeric material number you are trying to use exceeds the maximum length of 18 digits. This is a common issue when dealing with material numbers in SAP, especially if the system is configured to use numeric material numbers.
  Cause:
  
  Material Number Length: In SAP, the standard length for a numeric material number is limited to 18 digits. If you attempt to create or modify a material number that exceeds this limit, you will encounter the BMG142 error.
  Data Entry Error: Sometimes, the error may arise from a simple data entry mistake where an incorrect or overly long number is input.
  System Configuration: The system may be configured to accept only numeric material numbers, and if a longer number is generated or imported, it will trigger this error.
  
  Solution:
  
  Check Material Number: Review the material number you are trying to enter. Ensure that it does not exceed 18 digits. If it does, you will need to modify it to fit within the limit.
  Use Alphanumeric Material Numbers: If your business process allows, consider switching to alphanumeric material numbers, which can accommodate longer identifiers. This may require configuration changes in your SAP system.
  Data Validation: Implement validation checks in your data entry processes to prevent users from entering material numbers that exceed the 18-digit limit.
  Review Import Processes: If the error occurs during data import, check the source data for material numbers and ensure they conform to the 18-digit limit before importing.
  Consult Documentation: Refer to SAP documentation or your organization's SAP guidelines for best practices regarding material number formats.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to material number handling.
  Configuration Settings: Review the configuration settings in the Material Management (MM) module to see if there are options to change the material number format.
  User Training: Provide training for users on the correct format for material numbers to minimize errors in data entry.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.