How To Fix AG602 - Material & is locked (availability check not possible)

AG602 - Overview

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 602

• Message text: Material & is locked (availability check not possible)

What causes this issue?

The material that you are processing, material &V1& (plant &V2&), has
been locked by user &V3&. The system has unsuccessfully attempted to
lock the material that you are using.

System Response

To avoid further delaying your work, the system will terminate its
attempts to lock the material and will not execute an availability
check.

How to fix this error?

Note that the operation you are processing has not been confirmed.
Therefore, you should execute an availability check again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AG602 - Material & is locked (availability check not possible) ?

  The SAP error message AG602 ("Material & is locked (availability check not possible)") typically occurs when a material is locked for certain operations, preventing the system from performing an availability check. This can happen in various scenarios, such as during a stock transfer, sales order processing, or production planning.
  Causes:
  
  Material Locking: The material may be locked due to ongoing transactions or processes, such as a stock transfer, production order, or sales order that is currently being processed.
  User Lock: A user may have locked the material for editing or other operations, preventing other users from accessing it.
  Batch Management: If the material is batch-managed, the specific batch may be locked.
  Inventory Management: The material may be in a state that prevents availability checks, such as being in a blocked stock or undergoing a physical inventory process.
  
  Solutions:
  
  Check Lock Status: Use transaction code SM12 to check for any user locks on the material. If you find