How To Fix M+028 - Generation is not possible in the SAP name range

SAP Error Message - Details

• Message type: E = Error

• Message class: M+ -

• Message number: 028

• Message text: Generation is not possible in the SAP name range

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M+028 - Generation is not possible in the SAP name range ?

  The SAP error message M+028, which states "Generation is not possible in the SAP name range," typically occurs in the context of material master data or other master data objects when there is an issue with the naming convention or the range of names being used.
  Cause:
  
  Name Range Conflict: The error usually indicates that the system is trying to generate a name (like a material number) that falls within a reserved range of names that SAP uses for its internal purposes.
  Configuration Issues: The configuration settings for number ranges may not be set up correctly, or the number range may be exhausted.
  Custom Development: If there are custom developments or enhancements that manipulate number ranges, they may inadvertently cause conflicts.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code OMH1 (for material number ranges) or SNRO (for number range objects).
  Verify that the number range for the relevant object (like material master) is correctly defined and not overlapping with SAP's reserved ranges.
  Ensure that the number range is not exhausted. If it is, you may need to extend the range or create a new one.
  
  
  
  Adjust Naming Conventions:
  
  If you are using a custom naming convention, ensure that it does not conflict with SAP's reserved names. Adjust the naming strategy if necessary.
  
  
  
  Check for Custom Code:
  
  Review any custom code or enhancements that may be affecting the number generation process. Ensure that they are not causing conflicts with the standard SAP behavior.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to number range management for specific guidance on your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OMH1 - Number Range Maintenance for Material Master
  SNRO - Number Range Object Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify the relevant master data.
  
  By following these steps, you should be able to identify and resolve the cause of the M+028 error in SAP.