How To Fix /PRA/WH_PROC042 - Unique identification number generation failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PRA/WH_PROC -

• Message number: 042

• Message text: Unique identification number generation failed

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 /PRA/WH_PROC042 - Unique identification number generation failed ?

  The SAP error message /PRA/WH_PROC042 Unique identification number generation failed typically occurs in the context of the SAP system when there is an issue with generating a unique identification number for a process, such as during the creation of a document or transaction in the Warehouse Management (WM) or Production Planning (PP) modules.
  Causes:
  
  Database Issues: There may be a problem with the database that prevents the generation of unique identifiers. This could be due to database locks, corruption, or connectivity issues.
  Configuration Errors: Incorrect configuration settings in the relevant SAP modules can lead to issues with number range objects.
  Number Range Exhaustion: The number range defined for the specific document type may be exhausted, meaning that all possible numbers have been used up.
  Authorization Issues: The user may not have the necessary authorizations to generate unique identification numbers.
  Custom Code Issues: If there are custom developments or enhancements in the system, they may interfere with the standard number generation process.
  
  Solutions:
  
  
  Check Number Ranges:
  
  Go to transaction code SNRO to check the number range object related to the process that is failing. Ensure that the number range is correctly defined and not exhausted.
  If the number range is exhausted, you may need to extend it or create a new number range.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the relevant module (e.g., WM or PP) to ensure that they are set up correctly.
  Ensure that the number range intervals are properly defined and active.
  
  
  
  Database Check:
  
  Perform a database consistency check to ensure there are no locks or corruption issues.
  If necessary, consult with your database administrator to resolve any underlying database issues.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to perform the action that is failing. This can be done through transaction SU53 to analyze authorization failures.
  
  
  
  Review Custom Code:
  
  If there are any custom developments, review the code to ensure it is not interfering with the standard number generation process.
  Debugging the process may help identify where the failure is occurring.
  
  
  
  System Logs:
  
  Check the system logs (transaction SM21) for any related error messages that could provide more context on the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches or updates.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO - Number Range Object Maintenance
  SM21 - System Log
  SU53 - Authorization Check
  
  
  SAP Documentation: Refer to the official SAP Help Portal for documentation related to number range management and error handling in the specific module you are working with.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue causing the /PRA/WH_PROC042 Unique identification number generation failed error.