How To Fix WW407 - Class type has multiple assignments. No reclassification possible

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 407

• Message text: Class type has multiple assignments. No reclassification possible

What causes this issue?

At least one object in this reclassification run is assigned more than
once. This is not allowed in reclassification.

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?

Try to delete the multiple assignments.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW407 - Class type has multiple assignments. No reclassification possible ?

  The SAP error message WW407, which states "Class type has multiple assignments. No reclassification possible," typically occurs in the context of asset accounting or classification in SAP. This error indicates that the class type you are trying to use for a particular asset or object has multiple assignments, which prevents the system from reclassifying the asset.
  Cause:
  
  Multiple Assignments: The class type in question has been assigned to multiple objects or assets, which creates a conflict when trying to reclassify or change the classification of a specific asset.
  Configuration Issues: There may be configuration settings in the classification system that allow for multiple assignments, leading to this error when a reclassification is attempted.
  Data Integrity Issues: There could be inconsistencies or errors in the data that lead to multiple assignments of the same class type.
  
  Solution:
  
  Check Assignments: Review the assignments of the class type in question. You can do this by navigating to the classification view in SAP and checking which objects or assets are assigned to the class type.
  Remove Redundant Assignments: If you find that the class type is assigned to multiple objects unnecessarily, consider removing or consolidating these assignments to ensure that each class type is uniquely assigned to a single object.
  Reclassify Manually: If automatic reclassification is not possible due to the error, you may need to manually adjust the classification of the asset or object in question.
  Consult Configuration: If you have access to the configuration settings, check the settings for class types and ensure that they are set up correctly to avoid multiple assignments.
  Data Cleanup: Perform a data cleanup to ensure that there are no inconsistencies in the asset records that could lead to this error.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OIA3 (for class type configuration) or AS02 (to change asset master data) to investigate and resolve the issue.
  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.
  Documentation: Refer to SAP documentation on asset accounting and classification for more detailed information on how class types and assignments work within the system.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP asset accounting for further assistance.