How To Fix UAS099 - Data basis &1 must be regenerated using transaction UAST

SAP Error Message - Details

• Message type: E = Error

• Message class: UAS -

• Message number: 099

• Message text: Data basis &1 must be regenerated using transaction UAST

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UAS099 - Data basis &1 must be regenerated using transaction UAST ?

  The SAP error message UAS099 indicates that the data basis for a specific application area must be regenerated. This typically occurs in the context of the SAP system's data management, particularly in the area of the SAP Universal Allocation System (UAS).
  Cause:
  The error message UAS099 is triggered when the data basis for a specific application area is either missing, corrupted, or outdated. This can happen due to various reasons, such as:
  
  Changes in Configuration: If there have been changes in the configuration of the allocation process or related settings, the existing data basis may no longer be valid.
  Data Consistency Issues: If there are inconsistencies in the data that the UAS relies on, it may require regeneration to ensure that the data basis is accurate and up-to-date.
  System Upgrades or Migrations: After an upgrade or migration, certain data structures may need to be regenerated to align with the new system requirements.
  
  Solution:
  To resolve the UAS099 error, you need to regenerate the data basis using the specified transaction code. Here are the steps to do this:
  
  
  Access Transaction UAST:
  
  Log in to your SAP system.
  Enter the transaction code UAST in the command field and press Enter.
  
  
  
  Select the Appropriate Options:
  
  In the UAS transaction screen, you will need to select the relevant options for the data basis you want to regenerate. This may involve specifying the application area or other parameters.
  
  
  
  Execute the Regeneration:
  
  After selecting the appropriate options, execute the regeneration process. This will create a new data basis based on the current configuration and data.
  
  
  
  Check for Errors:
  
  After the regeneration process is complete, check for any error messages or warnings. Ensure that the process completed successfully.
  
  
  
  Test the Functionality:
  
  Once the data basis has been regenerated, test the relevant functionality in the UAS to ensure that the error has been resolved and that the system is functioning as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal or specific documentation related to the Universal Allocation System for more detailed information on the regeneration process and its implications.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with SAP Notes for any known issues or patches related to this error.
  Backup: Always ensure that you have a backup of your data before performing operations that modify the data basis, as this can help prevent data loss in case of unexpected issues.
  
  By following these steps, you should be able to resolve the UAS099 error and ensure that your SAP system operates smoothly.