How To Fix CL121 - Error when finding objects by classes; inform your system administrator

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 121

• Message text: Error when finding objects by classes; inform your system administrator

What causes this issue?

For search helps, parameter OBTAB must be set in the dictionary. The
default value for this parameter is the physical table name, which is
also stored for the classified object in Customizing for the
Classification System (table TCLO).

System Response

How to fix this error?

Maintain this parameter for the search help, or have it maintained. See
search help MAT1 for an example.

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 CL121 - Error when finding objects by classes; inform your system administrator ?

  The SAP error message CL121 typically indicates an issue related to the classification system in SAP, specifically when the system is unable to find objects based on the specified classes. This can occur in various scenarios, such as when trying to search for classified materials, equipment, or other objects that are organized using the classification system.
  Causes of CL121 Error
  
  Missing Class or Object: The class you are trying to use may not exist, or the object you are searching for may not be assigned to the specified class.
  Authorization Issues: The user may not have the necessary authorizations to access the class or the objects within it.
  Data Inconsistencies: There may be inconsistencies or corruption in the classification data or the database.
  Configuration Issues: The classification system may not be properly configured, leading to issues in object retrieval.
  System Performance: If the system is under heavy load, it may not be able to process the request in a timely manner.
  
  Solutions to CL121 Error
  
  
  Check Class and Object Existence:
  
  Verify that the class you are trying to access exists in the system.
  Ensure that the objects you are searching for are correctly assigned to the class.
  
  
  
  Review Authorizations:
  
  Check the user’s authorization profile to ensure they have the necessary permissions to access the classification data.
  Consult with your system administrator to adjust authorizations if needed.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the classification data to identify and resolve any inconsistencies.
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to review the class details.
  
  
  
  Configuration Review:
  
  Review the configuration settings for the classification system to ensure everything is set up correctly.
  Consult the SAP documentation or your SAP Basis team for guidance on proper configuration.
  
  
  
  System Performance Monitoring:
  
  Monitor system performance to ensure that it is not overloaded.
  If necessary, perform system tuning or optimization to improve performance.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  Apply any recommended patches or updates if applicable.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classification data.
  SAP Documentation: Refer to the official SAP Help documentation for detailed information on the classification system and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it is advisable to escalate the issue to your SAP Basis team or SAP support for further investigation.