How To Fix ECN800 - Internal error: parameter &1 was not supplied in FM &2

ECN800 - Overview

• Message type: E = Error

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

• Message number: 800

• Message text: Internal error: parameter &1 was not supplied in FM &2

What causes this issue?

Internal programming error:
A function module parameter was not supplied with data.

System Response

The system cannot continue 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 ECN800 - Internal error: parameter &1 was not supplied in FM &2 ?

  The SAP error message ECN800, which states "Internal error: parameter &1 was not supplied in FM &2," typically indicates that a required parameter was not provided to a function module (FM) that was called within the SAP system. This can occur due to various reasons, such as incorrect configuration, programming errors, or issues with the data being processed.
  Causes:
  
  Missing Parameter: The function module being called expects a certain parameter that was not supplied in the call.
  Incorrect Function Module Call: The function module may be called incorrectly in the ABAP code, leading to missing parameters.
  Data Issues: The data being processed may not meet the expected criteria, resulting in parameters not being populated.
  Custom Development: If there are custom developments or enhancements, they may not be handling parameters correctly.
  System Configuration: Configuration settings in the system may not be set up properly, leading to missing parameters.
  
  Solutions:
  
  Check Function Module Documentation: Review the documentation for the function