How To Fix VL321 - Item category & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 321

• Message text: Item category & is not allowed

What causes this issue?

According to the item category determination entries (table T184L),
item category &V1& is not allowed.
INCLUDE 'NA_NO_PROCESSING_1' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Select an item category that you are allowed to enter manually.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message VL321 - Item category & is not allowed ?

  The SAP error message VL321 ("Item category & is not allowed") typically occurs during the processing of sales orders, deliveries, or other logistics-related transactions. This error indicates that the item category specified in the transaction is not permitted for the operation being performed. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Item Category: The item category assigned to the material may not be valid for the type of transaction you are trying to execute (e.g., delivery, sales order).
  Configuration Issues: The item category may not be configured correctly in the system, or it may not be allowed for the specific sales document type or delivery type.
  Material Master Settings: The material master record may not be set up correctly, leading to the use of an inappropriate item category.
  Sales Document Type Restrictions: Certain sales document types may have restrictions on which item categories can be used.
  Customizations: Custom developments or modifications in the system may have inadvertently restricted the use of certain item categories.
  
  Solutions:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings in SAP (Transaction code: SPRO).
  Navigate to Sales and Distribution > Sales > Sales Document > Define Item Categories.
  Verify that the item category is correctly defined and allowed for the relevant sales document type.
  
  
  
  Review Material Master Data:
  
  Check the material master record (Transaction code: MM03) for the material in question.
  Ensure that the item category is appropriate for the material type and sales organization.
  
  
  
  Validate Sales Document Type:
  
  Ensure that the sales document type you are using allows the item category in question.
  Check the settings for the sales document type (Transaction code: VOV8).
  
  
  
  Check for User Exits or Enhancements:
  
  If there are any custom developments or user exits that might affect item category determination, review them to ensure they are not causing the issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that might address this specific error or provide guidance on item category configuration.
  
  
  
  Testing:
  
  After making any changes, perform a test transaction to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  VL01N: Create Outbound Delivery
  VA01: Create Sales Order
  MM03: Display Material Master
  SPRO: Customizing Implementation Guide
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on item categories and their configuration.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the VL321 error and implement the necessary changes to resolve it.