How To Fix CLB2023 - The application key can be set only once

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 023

• Message text: The application key can be set only once

What causes this issue?

Some methods need an application key for identification
purposes and for accessing Customizing. This key is set only
once during initialization. Additional attempts are treated as errors.

System Response

The method in progress is canceled.

How to fix this error?

A code change is required.

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 CLB2023 - The application key can be set only once ?

  The SAP error message CLB2023 ("The application key can be set only once") typically occurs in the context of SAP's Collaborative Lifecycle Management (CLM) or related applications where an application key is being set for a specific object or transaction. This error indicates that the application key has already been assigned and cannot be modified or reassigned.
  
  Cause:
  
  Duplicate Assignment: The application key has already been set for the object or transaction, and any attempt to set it again leads to this error.
  Incorrect Logic in Custom Code: If there is custom code or a user exit that attempts to set the application key multiple times, it can trigger this error.
  Data Integrity Issues: There may be issues with the data integrity where the application key is not being handled correctly.
  
  
  Solution:
  
  Check Existing Assignment: Verify if the application key is already assigned to the object. You can do this by checking the relevant transaction or