How To Fix SAPLWOSL121 - The item category cannot be changed in items &1

SAPLWOSL121 - Overview

• Message type: E = Error

• Message class: SAPLWOSL - Store WB: IAC Consumer Order, Items

• Message number: 121

• Message text: The item category cannot be changed in items &1

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPLWOSL121 - The item category cannot be changed in items &1 ?

  The SAP error message SAPLWOSL121 indicates that the item category for a specific item in a document (like a sales order, purchase order, or delivery) cannot be changed. This typically occurs when the item has already been processed in a way that locks the item category, such as being part of a completed transaction or having certain status flags set.
  Causes:
  
  Document Status: The document may have already been processed (e.g., delivered, invoiced), which prevents changes to the item category.
  Item Category Determination: The item category may be determined based on specific criteria (like material type, sales organization, etc.) and changing it could violate business rules.
  Customizations: Custom configurations in the system may restrict changes to item categories under certain conditions.
  Dependencies: There may be dependencies on other items or documents that prevent the change.
  
  Solutions:
  
  Check Document Status: Verify if the document is still in a modifiable state. If it has been completed (e.g., delivered or