How To Fix W4279 - Delete class/configuration data: Error

SAP Error Message - Details

• Message type: E = Error

• Message class: W4 - Messages for material discontinuation

• Message number: 279

• Message text: Delete class/configuration data: Error

Self-Explanatory Message

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• What is the cause and solution for SAP error message W4279 - Delete class/configuration data: Error ?

  SAP Error Message:
  
  W4279 - Delete class/configuration data: Error
  
  Cause:
  The SAP warning/error message W4279 typically occurs when there is an attempt to delete a class or configuration data in the Classification System, but the deletion cannot be completed due to existing dependencies or inconsistencies. Common causes include:
  
  The class or configuration data is still assigned to objects (e.g., materials, equipment, documents).
  The class is referenced in other master data or transactions.
  There are existing characteristic values or dependencies that prevent deletion.
  Incomplete or inconsistent data in the classification system.
  Authorization issues or system locks preventing deletion.
  
  
  Explanation:
  In SAP, classes and configuration data are part of the Classification System used to categorize and manage master data objects. Deleting a class or configuration data requires that no active references or dependencies exist. If such references exist, SAP raises the W4279 message to prevent data inconsistencies.
  
  Solution:
  
  
  Check Assignments:
  
  Verify if the class or configuration data is assigned to any objects.
  Use transaction CL20N (Display Object List) to find objects assigned to the class.
  Remove or reassign these objects before attempting deletion.
  
  
  
  Check Characteristic Values:
  
  Ensure that no characteristic values or dependencies are linked to the class.
  Use transaction CT04 to check characteristic values.
  
  
  
  Check Dependencies:
  
  Review if the class is used in any BOMs, equipment master, or other master data.
  Remove or update these references.
  
  
  
  Authorization:
  
  Confirm that the user has the necessary authorizations to delete classes/configuration data.
  
  
  
  Use Correct Deletion Transaction:
  
  Use transaction CL02 (Change Class) and then delete the class.
  For configuration data, use the appropriate transaction (e.g., CU01, CU02 for variant configuration).
  
  
  
  System Locks:
  
  Check for any locks on the class or related data using transaction SM12.
  Remove locks if necessary (with caution).
  
  
  
  Consistency Check:
  
  Run consistency checks for classification data using report RCLSTCHK or similar tools.
  
  
  
  SAP Notes and Support:
  
  Check SAP Notes for any known issues related to W4279.
  If the problem persists, consider raising a support ticket with SAP.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  CL02 - Change Class
  CL20N - Display Object List (to see assigned objects)
  CT04 - Change Characteristic
  CU01 / CU02 - Variant Configuration
  SM12 - Display and delete locks
  
  
  
  Reports:
  
  RCLSTCHK - Consistency check for classification data
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to message W4279 for specific patches or fixes.
  
  
  
  Documentation:
  
  SAP Help Portal Classification System documentation
  Variant Configuration guides
  
  
  
  
  Summary:
  W4279 error occurs because the class or configuration data you are trying to delete is still in use or has dependencies. To resolve it, identify and remove all references to the class/configuration data, ensure proper authorizations, and then proceed with deletion. Use SAP standard transactions and tools to analyze and clean up the data before deletion.
  
  If you provide the exact context or transaction where the error occurs, I can help with more specific steps.