How To Fix 9J751 - Base unit of measure &1 cannot be changed. Stock with recipient &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: 9J -

• Message number: 751

• Message text: Base unit of measure &1 cannot be changed. Stock with recipient &2.

What causes this issue?

Receipient &SYST-MSGV2& still has stock for the equipment. This means
the base unit of measure &SYST-MSGV1& cannot be changed.

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?

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 9J751 - Base unit of measure &1 cannot be changed. Stock with recipient &2. ?

  The SAP error message 9J751 indicates that there is an issue with changing the base unit of measure for a material that has stock associated with a specific recipient. This typically occurs in scenarios where the material is already in stock and has been allocated or reserved for a particular recipient, making it impossible to change the base unit of measure without addressing the existing stock situation.
  Cause:
  
  Existing Stock: The material has stock that is already allocated or reserved for a recipient.
  Open Purchase Orders: There may be open purchase orders or stock transfers that reference the material in its current unit of measure.
  Material Master Settings: The material master data may have restrictions or settings that prevent changes to the base unit of measure when stock exists.
  
  Solution:
  
  Check Stock Levels: Review the stock levels for the material in question. If there is stock allocated to a recipient, you may need to clear or adjust this stock before changing the base unit of measure.
  Cancel or Adjust Open Documents: If there are open purchase orders or stock transfers, consider canceling or adjusting these documents to remove the dependency on the current base unit of measure.
  Use Transaction Codes: Utilize transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), or MIGO (Goods Movement) to manage stock levels and clear any allocations.
  Change Base Unit of Measure: Once the stock situation is resolved, you can proceed to change the base unit of measure in the material master using transaction MM02.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific procedures related to your organization's configuration and policies.
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured and the implications of changing the base unit of measure.
  Stock Management: Familiarity with stock management processes in SAP, including how stock is allocated and reserved.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the material master and stock levels.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team for further assistance.