How To Fix 9J1UF_UATAX391 - Tax data changed in method &1 of user BAdI &2

9J1UF_UATAX391 - Overview

• Message type: E = Error

• Message class: 9J1UF_UATAX - Ukrainian tax messages

• Message number: 391

• Message text: Tax data changed in method &1 of user BAdI &2

Self-Explanatory Message

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9J1UF_UATAX391 - Details

• The SAP error message 9J1UF_UATAX391 indicates that there has been a change in tax data during the execution of a specific method in a Business Add-In (BAdI). This error typically arises in the context of tax calculations or tax data processing within the SAP system, particularly when using the Universal Address Management (UAM) or similar tax-related functionalities.
  
  Cause:
  The error is triggered when:
  
  The tax data is modified in a way that is not allowed during the execution of the specified method of the BAdI.
  There may be inconsistencies in the tax data being processed, possibly due to incorrect configurations or logic in the BAdI implementation.
  The method being executed is not designed to handle changes to tax data at that point in the process.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review BAdI Implementation:
  
  Check the implementation of the BAdI referenced in the error message. Ensure that the logic does not inadvertently modify tax data when