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

FVD_FICO100 - Overview

• 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