How To Fix WER363 - Item &1, type &1 cannot be changed; it is already assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 363

• Message text: Item &1, type &1 cannot be changed; it is already assigned

What causes this issue?

Item field &1 with type &2 has already been assigned to a parameter of
the rule element

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?

All item field assignments must be removed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WER363 - Item &1, type &1 cannot be changed; it is already assigned ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WER363 - Item &1, type &1 cannot be changed; it is already assigned
  
  Cause:
  This error occurs when you try to change the item category or item type of a sales document item that has already been assigned or processed in a way that restricts changes. For example, the item might already be linked to delivery, billing, or other subsequent documents, or it has been processed in a status that does not allow modification of the item type.
  In other words, once an item is assigned a certain type and has been processed or referenced in follow-up documents, SAP prevents changing the item type to maintain data consistency and integrity.
  
  Typical Scenarios:
  
  Changing the item category/type after the item has been included in a delivery or billing document.
  Attempting to modify an item that has already been assigned to a production order or service order.
  Trying to change the item type after the document has been saved and processed.
  
  
  Solution:
  
  
  Check Document Status:
  
  Verify if the sales document item has already been processed in delivery, billing, or other follow-up documents.
  Use transaction codes like VA03 (Display Sales Order), VL03N (Display Delivery), or VF03 (Display Billing Document) to check the status.
  
  
  
  Reverse or Delete Follow-up Documents:
  
  If possible and business-wise acceptable, reverse or delete the delivery or billing documents linked to the item.
  After reversal, you may be able to change the item type.
  
  
  
  Create a New Item:
  
  Instead of changing the item type, create a new item with the correct item type and delete or cancel the incorrect item if allowed.
  
  
  
  Consult Business Process:
  
  Sometimes, changing the item type is not allowed due to business rules.
  Consult with your business process owner or SAP functional consultant to understand if the change is necessary or if an alternative approach is better.
  
  
  
  Technical Check:
  
  If you are a developer or consultant, check if any user-exits, BADIs, or custom validations are preventing the change.
  Review the item category determination and related configuration.
  
  
  
  
  Related Information:
  
  Item Category: Defines the processing of an item in sales documents (e.g., standard item, free-of-charge item, text item).
  Sales Document Flow: Once an item is processed in delivery or billing, changes to fundamental attributes like item type are restricted.
  Transaction Codes:
  
  VA01 - Create Sales Order
  VA02 - Change Sales Order
  VA03 - Display Sales Order
  VL01N / VL02N / VL03N - Create/Change/Display Delivery
  VF01 / VF02 / VF03 - Create/Change/Display Billing Document
  
  
  
  
  Summary:
  
  Cause: Attempt to change item type/category of an item already assigned or processed.
  Solution: Check and reverse follow-up documents if possible, or create a new item with the correct type.
  Note: Changing item type after processing is generally restricted to maintain data integrity.
  
  
  If you provide the exact transaction or scenario where this error occurs, I can help with more specific guidance.