How To Fix FSH_MM_COMMON001 - Cannot change item category; item is allocated

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_MM_COMMON -

• Message number: 001

• Message text: Cannot change item category; item is allocated

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FSH_MM_COMMON001 - Cannot change item category; item is allocated ?

  The SAP error message FSH_MM_COMMON001 indicates that you are trying to change the item category of a document (such as a purchase order or sales order) that has already been allocated. This typically occurs in the context of materials management and can be related to various processes, including inventory management, procurement, or sales.
  Cause:
  
  Allocation Status: The item in question has been allocated to a specific process (e.g., a delivery, production order, or another document), which prevents changes to its item category.
  Document Status: The document may be in a status that does not allow changes to item categories, such as being partially processed or completed.
  Configuration Settings: Certain configurations in the system may restrict changes to item categories based on the allocation status.
  
  Solution:
  
  Check Allocation: Review the allocation status of the item. If it is allocated to another document, you may need to reverse or cancel that allocation before changing the item category.
  Document Status: Ensure that the document is in a status that allows for changes. If the document is completed or locked, you may need to unlock or change its status.
  Use Transaction Codes: Utilize relevant transaction codes (like ME22N for purchase orders) to check the details of the document and its items.
  Consult with a SAP Administrator: If you are unsure about the allocation or status, consult with your SAP administrator or a colleague with more experience in SAP MM (Materials Management) to understand the implications of changing the item category.
  Review Configuration: If this is a recurring issue, it may be worth reviewing the configuration settings in the system to see if they can be adjusted to allow for more flexibility in changing item categories.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently updates its system, and there may be known issues or fixes available.
  Documentation: Review SAP documentation related to item categories and allocation processes to better understand the implications of changing item categories.
  Training: If you frequently encounter this error, consider additional training on SAP MM processes to better understand how item categories and allocations work.
  
  By following these steps, you should be able to resolve the error and understand the underlying issues related to item category changes in SAP.