How To Fix CBGLWB106 - Specify a unique key for the subscreen

SAP Error Message - Details

• Message type: E = Error

• Message class: CBGLWB - Labeling Workbench Messages

• Message number: 106

• Message text: Specify a unique key for the subscreen

What causes this issue?

You have specified a subscreen with the key '&v1&' on the '&v3&' tab for
function '&v2&'. This key has already been assigned for another
subscreen on the '&v3&' tab for function '&v2&'.

System Response

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

How to fix this error?

In the Customizing activity <DS:SIMG.EHS_GLM_LABEL_WB_SPE>Define Layout
of Function Workbench</>, select a unique key for the subscreen.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CBGLWB106 - Specify a unique key for the subscreen ?

  The SAP error message CBGLWB106 indicates that there is an issue with the configuration of a subscreen in a custom or standard SAP transaction. This error typically arises when the system requires a unique key for a subscreen, but it has not been provided or is not unique.
  Cause:
  
  Duplicate Keys: The subscreen is defined with a key that is not unique within the context of the main screen or the transaction.
  Configuration Issues: There may be a misconfiguration in the screen or subscreen settings in the SAP GUI.
  Custom Development: If the error occurs in a custom transaction or program, it may be due to incorrect coding or screen design.
  
  Solution:
  
  
  Check Subscreen Configuration:
  
  Go to the screen painter (SE80 or SE41) and check the subscreen definition.
  Ensure that the key defined for the subscreen is unique and does not conflict with other subscreens.
  
  
  
  Modify the Key:
  
  If you find that the key is not unique, modify it to ensure that it is unique within the context of the main screen.
  
  
  
  Review Custom Code:
  
  If this error is occurring in a custom program, review the code to ensure that the subscreen is being called correctly and that the key is being passed properly.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, ensure that all related objects were transported correctly and that there are no missing dependencies.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or notes related to the specific transaction or program to see if there are known issues or additional configuration steps required.
  
  
  
  Testing:
  
  After making changes, test the transaction to ensure that the error is resolved and that the subscreen behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE80 (Object Navigator) or SE41 (Menu Painter) to access and modify screen configurations.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message, as there may be specific fixes or recommendations provided by SAP.
  Debugging: If the issue persists, consider using the debugger to trace the execution flow and identify where the error is being triggered.
  
  By following these steps, you should be able to resolve the CBGLWB106 error and ensure that your subscreen is configured correctly.