How To Fix COM_DML_CUST081 - When using a number range, there can only be one key field

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_CUST - MDF Messages

• Message number: 081

• Message text: When using a number range, there can only be one key field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_DML_CUST081 - When using a number range, there can only be one key field ?

  The SAP error message COM_DML_CUST081 typically occurs when there is an issue with the configuration of number ranges in the system. This error indicates that when using a number range, only one key field is allowed, and it suggests that there may be a conflict or misconfiguration in the way the number range is set up.
  Cause:
  
  Multiple Key Fields: The error usually arises when a number range is defined for a table or object that has multiple key fields. SAP requires that only one key field is used when defining a number range.
  Configuration Issues: There may be a misconfiguration in the number range settings or in the related customizing settings.
  Data Model Design: The data model may not be designed correctly, leading to conflicts in how the number range is applied.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Identify the number range object that is causing the issue.
  Ensure that the number range is defined for a single key field. If multiple key fields are defined, you will need to adjust the configuration to use only one key field.
  
  
  
  Review Related Customizing Settings:
  
  Check the customizing settings related to the specific application or module you are working with.
  Ensure that the settings align with the requirements of using a single key field for number ranges.
  
  
  
  Adjust Data Model:
  
  If the data model is causing the issue, consider redesigning it to ensure that it complies with the requirement of having a single key field for the number range.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to number range management for further guidance on best practices and configuration steps.
  
  
  
  Testing:
  
  After making the necessary changes, perform tests to ensure that the error no longer occurs and that the number range is functioning as expected.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: To manage number range objects.
  SNUM: To manage number ranges directly.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the COM_DML_CUST081 error and ensure that your number range configuration is correct.