Message type: E = Error
Message class:  CUMTX - Variant Configuration - Master Data Maintenance 
Message number: 238
Message text: You can only release the function if function module is activated
The function module is either not active or deactivated. This means
that the function cannot be released.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Activate the function module (<LS>Tools -> ABAP Workbench ->
Development -> Programming environment -> Dialog modules</>).
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CUMTX238, which states "You can only release the function if function module is activated," typically occurs when you are trying to release a function module that has not been activated in the SAP system. This error is common in the context of ABAP development, particularly when working with function modules in the Function Builder (transaction SE37).
Cause: Function Module Not Activated: The primary cause of this error is that the function module you are trying to release has not been activated. In SAP, changes to function modules (or any other objects) must be activated before they can be released or transported. Development Environment Issues: Sometimes, there may be issues with the development environment or transport requests that prevent activation. Authorization Issues: Lack of proper authorizations can also prevent the activation of function modules.
Solution: Activate the Function Module: Go to transaction SE37 (Function Builder). Enter the name of the function module that is causing
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