How To Fix CL155 - Change number for deleting dependencies is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 155

• Message text: Change number for deleting dependencies is missing

What causes this issue?

You cannot delete the class because the object dependencies allocated
to the class have been processed with a change number.
The change number needs to be active for class maintenance and object
dependencies.

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?

Delete the class with a change number that is active for object
dependencies, too.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL155 - Change number for deleting dependencies is missing ?

  The SAP error message CL155 ("Change number for deleting dependencies is missing") typically occurs in the context of working with classification and variant configuration in SAP. This error indicates that when you are trying to delete dependencies (such as constraints or rules) associated with a class or characteristic, the system requires a change number to track the changes being made.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Change Number: When you attempt to delete a dependency, the system expects a change number to be specified. This is part of the change management process in SAP, which helps in tracking changes made to objects.
  Incorrect Configuration: The configuration settings for the class or dependency may not be set up correctly, leading to the requirement for a change number not being fulfilled.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the action, which can lead to this error.
  
  Solution:
  To resolve the CL155 error, you can take the following steps:
  
  
  Specify a Change Number:
  
  When deleting dependencies, ensure that you provide a valid change number. You can do this by:
  
  Going to the transaction where you are trying to delete the dependency (e.g., CL02 for class maintenance).
  Entering a change number in the relevant field before attempting to delete the dependency.
  
  
  
  
  
  Check Configuration Settings:
  
  Verify that the configuration settings for the class and dependencies are correct. Ensure that the dependencies are properly defined and that there are no inconsistencies.
  
  
  
  Review Authorizations:
  
  Check if you have the necessary authorizations to delete dependencies. You may need to consult with your SAP security team to ensure that your user role has the required permissions.
  
  
  
  Use Change Management:
  
  If your organization uses a change management process, ensure that you follow the correct procedures for making changes to dependencies, including obtaining the necessary approvals and documenting the changes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on managing dependencies and change numbers in the classification system.
  
  
  
  Related Information:
  
  
  Transaction Codes: Common transaction codes related to classification and dependencies include:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  CU01: Create Change Number
  CU02: Change Change Number
  CU03: Display Change Number
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  
  By following these steps, you should be able to resolve the CL155 error and successfully manage dependencies in your SAP system.