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

SAP Error Message - Details

• 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 errors.
  Analyze Input Data: Validate the data being passed to the function module. Ensure that it meets the expected format and constraints.
  Review Configuration: Check the configuration settings related to the function module and ensure they are set up correctly.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal. There may be patches or updates available that address known issues with the function module.
  Debugging: If you have access, use the ABAP debugger to step through the function module and identify where the exception is occurring.
  System Logs: Check the system logs (transaction SM21) and short dump analysis (transaction ST22) for more details on the error and any related issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  ST22: For analyzing short dumps.
  SM21: For checking system logs.
  SE37: To view and analyze the function module.
  
  
  SAP Notes: Always check the SAP Support Portal for any relevant notes that might provide fixes or workarounds for the specific function module or error.
  Documentation: Review the documentation for the function module to understand its expected behavior and requirements.
  
  By following these steps, you should be able to diagnose and potentially resolve the ECN801 error in your SAP system.