How To Fix 88145 - Volume/area class &1 already exists for item category &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 145

• Message text: Volume/area class &1 already exists for item category &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 88145 - Volume/area class &1 already exists for item category &2 ?

  The SAP error message 88145, which states "Volume/area class &1 already exists for item category &2," typically occurs in the context of material management or sales and distribution when there is an attempt to assign a volume or area class to an item category that has already been assigned.
  Cause:
  
  Duplicate Assignment: The error is primarily caused by trying to assign a volume or area class to an item category that already has that class assigned. This can happen during configuration changes or when creating new item categories.
  Configuration Issues: It may also arise from incorrect configuration settings in the system, where the same volume/area class is mistakenly linked to multiple item categories.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the configuration settings for item categories and check if the volume/area class is already assigned to the specified item category. 
  You can do this by navigating to the relevant configuration path in SPRO (SAP Project Reference Object) and reviewing the settings for item categories.
  
  
  
  Modify or Remove Duplicate Assignment:
  
  If you find that the volume/area class is indeed already assigned, you will need to either modify the existing assignment or remove it if it is not needed.
  If you need to assign a different volume/area class, ensure that it is not already in use by another item category.
  
  
  
  Create a New Class: 
  
  If the volume/area class is required for a different item category, consider creating a new volume/area class that can be assigned without conflicts.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help resources for specific guidance on managing volume and area classes in your version of SAP.
  
  
  
  Testing: 
  
  After making changes, perform testing to ensure that the error does not reoccur and that the item category functions as expected.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, MM02 for material master changes, or VA01 for sales order creation to troubleshoot and resolve the issue.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or solutions.
  User Roles: Ensure that you have the necessary authorizations to make changes to item categories and volume/area classes in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.