How To Fix WM146 - Class deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 146

• Message text: Class deleted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM146 - Class deleted ?

  The SAP error message WM146 ("Class deleted") typically occurs in the context of Warehouse Management (WM) when there is an attempt to process a material or a document that references a class that has been deleted from the system. This can happen in various scenarios, such as during inventory management, stock transfers, or when trying to perform certain transactions related to materials that are classified under a specific class.
  Cause:
  
  Deleted Class: The primary cause of this error is that the classification system has a class that has been deleted, but there are still references to this class in the system.
  Data Inconsistency: There may be inconsistencies in the data where the system is trying to access a class that no longer exists.
  Configuration Issues: Sometimes, configuration changes or updates in the system can lead to such errors if not properly managed.
  
  Solution:
  
  Check Class Existence: Verify if the class that is being referenced still exists in the system. You can do this by navigating to the classification system in SAP and checking the relevant classes.
  Recreate the Class: If the class is indeed deleted and is still needed, you may need to recreate it. Ensure that all necessary attributes and characteristics are defined.
  Update References: If the class is no longer needed, you should update any references in the materials or documents that point to the deleted class. This may involve reclassifying materials or updating the relevant master data.
  Data Consistency Check: Run data consistency checks in the system to identify any other potential issues that may arise from deleted classes or other inconsistencies.
  Consult Documentation: Review SAP documentation or notes related to WM and classification to ensure that you are following best practices and to see if there are any specific patches or updates that address this issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Class), CL03 (Display Class), or CL01 (Create Class) to manage classes in the classification system.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the WM146 error and ensure that your warehouse management processes run smoothly.