How To Fix AFX_GLOBAL123 - Internal error: Unexpected EXCEPTION in function module &1

AFX_GLOBAL123 - Overview

• Message type: E = Error

• Message class: AFX_GLOBAL - Global Messages (Usable in All AFX Objects)

• Message number: 123

• 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 the developer did not anticipate or that is not
permitted at this point.

System Response

The system is unable to execute the chosen function.

How to fix this error?

Make a note of the following:
The name of the function module
The transaction
The entries that led to this error
Send SAP a problem message containing these details.

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.

AFX_GLOBAL123 - Details

• The SAP error message AFX_GLOBAL123, which indicates an "Internal error: Unexpected EXCEPTION in function module &1," typically points to an unexpected runtime error occurring within a specific function module in the SAP system. This can be caused by various factors, including:
  Causes:
  
  Coding Errors: There may be a bug or unhandled exception in the ABAP code of the function module.
  Data Issues: Invalid or unexpected data being processed by the function module can lead to exceptions.
  
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior.
  System Bugs: There may be known bugs in the version of SAP you are using that could lead to this error.
  Memory Issues: Insufficient memory or resources can also cause unexpected exceptions.
  
  Solutions:
  
  Check the Function Module: Identify the function module mentioned in the error message and review its code for any potential issues or unhandled exceptions.
  Analyze the Input Data: Ensure that the data being passed to the function