How To Fix CUMTX239 - Function cannot be released - check function module interface

CUMTX239 - Overview

• Message type: E = Error

• Message class: CUMTX - Variant Configuration - Master Data Maintenance

• Message number: 239

• Message text: Function cannot be released - check function module interface

What causes this issue?

The function cannot be released. Check whether the following entries
for the interface are maintained correctly:
Interface Import Parameters
Parameter,,Reference Field/Structure
GLOBALS,,CUOV_00
Table Interface:
Parameter,,Reference Structure
MATCH,,CUOV_01
QUERY,,CUOV_01
Exceptions:
FAIL
INTERNAL_ERROR
Do not enter any further import parameters or table parameters that are
not optional.

Error message extract from SAP system. Copyright SAP SE.

CUMTX239 - Details

• The SAP error message CUMTX239, which states "Function cannot be released - check function module interface," typically occurs when there is an issue with the interface of a function module in SAP. This error can arise during the transport of function modules or when trying to activate or release a function module that has inconsistencies in its parameters or interface.
  Causes:
  
  Inconsistent Parameters: The parameters defined in the function module interface may not match the expected types or structures.
  Missing Documentation: If the function module lacks proper documentation or has incorrect documentation, it may trigger this error.
  Transport Issues: If the function module was transported from one system to another, there may be inconsistencies due to missing dependencies or objects.
  Changes in Related Objects: If there have been changes to related objects (like data elements, structures, or other function modules) that the function module depends on, it can lead to this error.
  Syntax Errors: Any syntax