How To Fix FH501 - Internal error: Action "&1" does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 501

• Message text: Internal error: Action "&1" does not exist

What causes this issue?

An internal error occurred. The data transferred to the update module
is inconsistent. The action "&V1" is to be carried out for the selected
G/L account, but this action does not exist.

System Response

The processing is not carried out.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH501 - Internal error: Action "&1" does not exist ?

  The SAP error message FH501, which states "Internal error: Action '&1' does not exist," typically indicates that the system is trying to execute an action that is not defined or recognized in the context of the current operation. This can occur in various scenarios, such as during the execution of a transaction, report, or program.
  Causes:
  
  Missing Configuration: The action referenced in the error message may not be configured in the system. This could be due to missing entries in customizing tables or settings.
  Incorrect Action Name: The action name specified in the program or transaction may be misspelled or incorrectly referenced.
  Transport Issues: If the action was recently transported from another system, it may not have been properly imported or activated.
  Version Mismatch: The error may occur if there is a version mismatch between the components of the SAP system, especially if custom developments are involved.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to execute the action, leading to the system not recognizing it.
  
  Solutions:
  
  Check Configuration: Verify that the action referenced in the error message is correctly configured in the system. This may involve checking customizing settings in SPRO or relevant transaction codes.
  Review Action Name: Ensure that the action name is correctly spelled and matches the expected value in the program or transaction.
  Transport Check: If the action was recently transported, check the transport logs to ensure that it was successfully imported and activated.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant program to trace where the error occurs and gather more information about the action being called.
  Authorization Check: Ensure that the user executing the action has the necessary authorizations. You can check this using transaction SU53 or by reviewing the user's roles and authorizations.
  Consult Documentation: Review any relevant SAP documentation or notes related to the specific transaction or program to see if there are known issues or additional configuration steps required.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any notes related to the FH501 error message. There may be specific notes addressing this issue with additional troubleshooting steps or patches.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and the solutions they implemented.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator), SE37 (Function Module), or SE11 (Data Dictionary).
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.