How To Fix FVD_FICO100 - Internal error: Unexpected EXCEPTION in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FVD_FICO - Messages for Financial Conditions

• Message number: 100

• Message text: Internal error: Unexpected EXCEPTION in function module &1

What causes this issue?

An internal program error has occurred. A function module has triggered
an EXCEPTION that is unexpected or not permitted at this point.

System Response

The system cannot execute the function selected.

How to fix this error?

Note the following details:
the name of the function module
the transaction
the data entered that lead to this error
Send a problem message to SAP, including this information.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FVD_FICO100 - Internal error: Unexpected EXCEPTION in function module &1 ?

  The SAP error message FVD_FICO100 Internal error: Unexpected EXCEPTION in function module &1 typically indicates that there is an unexpected issue occurring within a function module related to the Financial Accounting (FI) and Controlling (CO) modules. This error can arise due to various reasons, including data inconsistencies, configuration issues, or bugs in the code.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the database tables.
  Configuration Issues: Incorrect configuration settings in the FI/CO modules can lead to unexpected behavior.
  Custom Code: If there are custom enhancements or modifications in the function module, they may not be handling certain scenarios correctly.
  System Bugs: There may be bugs in the SAP system or specific patches that need to be applied.
  
  Solutions:
  
  Check the Function Module: Identify the function module mentioned in the error message (indicated by &1) and analyze its code for any potential issues.
  Review Data: Check the data being processed when the error occurs. Look for any missing or incorrect entries in relevant tables.
  Transaction Logs: Review transaction logs or application logs (using transaction SLG1) to gather more context about the error.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available.
  Debugging: If you have access to the development environment, you can debug the function module to identify the exact point of failure.
  Consult Documentation: Review the documentation for the function module to ensure that it is being used correctly.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SLG1 (Application Log).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  System Logs: Check system logs (transaction SM21) for any related errors or warnings that may provide additional context.
  
  By following these steps, you should be able to diagnose and potentially resolve the error. If the problem is complex, involving SAP Support may be necessary to get a definitive solution.