How To Fix WM751 - One or more materials locked

WM751 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 751

• Message text: One or more materials locked

What causes this issue?

One or more of the materials you wish to use in this function are
currently blocked by other functions.
Example:
You wish to edit an assortment module, but the materials it contains
are either blocked in material master maintenance or are also contained
in another module that is currently being edited.

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?

Repeat the function later or cancel it.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM751 - One or more materials locked ?

  The SAP error message WM751 ("One or more materials locked") typically occurs in the Warehouse Management (WM) module when you attempt to perform a transaction involving materials that are currently locked. This can happen for various reasons, such as ongoing transactions, inventory management processes, or other users accessing the same materials.
  Causes:
  
  Ongoing Transactions: Another user or process is currently using the material, which locks it for other operations.
  Inventory Management: The material might be involved in an inventory count or other inventory-related processes.
  Batch Management: If the material is batch-managed, it may be locked due to batch-related transactions.
  Open Purchase Orders: There may be open purchase orders or other documents that are preventing changes to the material.
  User Locks: A user may have manually locked the material for some reason.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the material. You can identify which user or process is holding the