How To Fix FMCA_ISR124 - Internal error occurred when creating tax return/registration

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_ISR - Form Handling

• Message number: 124

• Message text: Internal error occurred when creating tax return/registration

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_ISR124 - Internal error occurred when creating tax return/registration ?

  The SAP error message FMCA_ISR124, which indicates that an internal error occurred when creating a tax return or registration, can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Configuration Issues: Incorrect configuration in the tax return settings or related modules can lead to this error.
  Data Inconsistencies: Missing or inconsistent data in the master data or transaction data that is required for tax return processing.
  Authorization Problems: Insufficient user authorizations to perform the tax return creation.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using.
  Custom Code: If there are custom developments or enhancements, they might interfere with standard processes.
  
  Solutions:
  
  
  Check Configuration:
  
  Review the configuration settings for tax returns in the relevant SAP modules (e.g., FI, CO).
  Ensure that all necessary parameters are correctly set up.
  
  
  
  Data Validation:
  
  Verify that all required data is complete and accurate. Check master data (e.g., vendor/customer records) and transactional data.
  Look for any missing entries or inconsistencies that could affect tax return generation.
  
  
  
  User Authorizations:
  
  Ensure that the user attempting to create the tax return has the necessary authorizations. Check roles and permissions in the user profile.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages or warnings that could provide additional context about the issue.
  
  
  
  SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Debugging:
  
  If you have access to development tools, consider debugging the process to identify where the internal error is occurring.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB60 (Invoice), FB70 (Customer Invoice), and others that may be involved in the tax return process.
  Documentation: Review SAP documentation related to tax return processing for your specific country or region, as tax regulations can vary significantly.
  Community Forums: Check SAP Community forums or other user groups for discussions related to FMCA_ISR124, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the FMCA_ISR124 error in SAP.