How To Fix CBGLBC016 - Cannot call function module &1; missing interface

SAP Error Message - Details

• Message type: E = Error

• Message class: CBGLBC - Labels Basis Components Messages

• Message number: 016

• Message text: Cannot call function module &1; missing interface

What causes this issue?

The system attempted to call the function module &v1& dynamically.
However, the required interface is not defined in the function module.

System Response

The function module &v1& is not called.

How to fix this error?

Check whether the function module &v1& is active in the system.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CBGLBC016 - Cannot call function module &1; missing interface ?

  The SAP error message CBGLBC016 indicates that there is an issue with calling a function module due to a missing interface. This typically occurs when the function module is not properly defined or when there is a mismatch in the expected parameters or interfaces.
  Cause:
  
  Missing Interface Definition: The function module being called does not have the required interface defined in the system.
  Transport Issues: If the function module was recently transported from another system, the transport might not have included all necessary components.
  Authorization Issues: The user might not have the necessary authorizations to access the function module.
  Incorrect Function Module Name: The name of the function module being called might be incorrect or misspelled.
  Version Mismatch: There could be a version mismatch if the function module has been changed or updated in a different environment.
  
  Solution:
  
  
  Check Function Module Definition: 
  
  Go to transaction SE37 (Function Module) and check if the function module exists and is correctly defined.
  Ensure that the interface of the function module is complete and matches what is expected by the calling program.
  
  
  
  Transport Check: 
  
  If the function module was recently transported, ensure that all related objects were included in the transport request.
  Check the transport logs for any errors or warnings.
  
  
  
  Authorization Check: 
  
  Verify that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after attempting to execute the function.
  
  
  
  Correct Function Module Name: 
  
  Double-check the name of the function module in the code where it is being called. Ensure there are no typos or incorrect references.
  
  
  
  Debugging: 
  
  If the issue persists, you can use the debugger to trace the execution and see where the error occurs. This may provide additional context on what is going wrong.
  
  
  
  Consult Documentation: 
  
  Review any relevant documentation or notes related to the function module to ensure that it is being used correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the function module in question.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.