How To Fix IEN128 - Item category must be a stock item (S)

IEN128 - Overview

• Message type: E = Error

• Message class: IEN -

• Message number: 128

• Message text: Item category must be a stock item (S)

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 IEN128 - Item category must be a stock item (S) ?

  The SAP error message IEN128, which states "Item category must be a stock item (S)," typically occurs during the creation or processing of a purchase order, sales order, or other document where item categories are defined. This error indicates that the system expects the item category to be a stock item, but the item category specified does not meet this requirement.
  
  Cause:
  
  Incorrect Item Category: The item category assigned to the material is not set as a stock item. In SAP, item categories are defined in the material master and determine how the system processes the item.
  Material Master Configuration: The material may not be configured correctly in the material master. For example, it might be set as a non-stock item or a service item.
  Document Type Settings: The document type being used may have specific settings that require stock items, and the item being processed does not comply with these settings.
  
  
  Solution:
  
  
  Check Item Category: