How To Fix ECN801 - Internal error: unexpected exception for function module &1

ECN801 - Overview

• Message type: E = Error

• Message class: ECN - Message class for IS-U navigator customizing

• Message number: 801

• Message text: Internal error: unexpected exception for function module &1

What causes this issue?

An internal error has occurred. An exception was triggered after a
function module was called.

System Response

The system had to terminate processing.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ECN801 - Internal error: unexpected exception for function module &1 ?

  The SAP error message ECN801, which indicates an "Internal error: unexpected exception for function module &1," typically arises when there is an unexpected issue or exception occurring within a specific function module in the SAP system. This can be due to various reasons, including but not limited to:
  Causes:
  
  Coding Errors: There may be bugs or unhandled exceptions in the ABAP code of the function module.
  Data Issues: The input data being processed by the function module may be invalid or corrupt, leading to unexpected behavior.
  
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected exceptions.
  System Bugs: There may be known bugs in the version of SAP you are using that affect the function module.
  Memory Issues: Insufficient memory or resources on the application server can lead to unexpected exceptions.
  
  Solutions:
  
  Check the Function Module: Review the code of the function module specified in the error message. Look for any unhandled exceptions or logical