How To Fix OM536 - Requires Material block Late lock

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 536

• Message text: Requires Material block Late lock

The Material Block-Late Lock is mandatory for activating Nonexclusive
locking mechanism.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM536 - Requires Material block Late lock ?

  The SAP error message OM536 "Requires Material block Late lock" typically occurs in the context of production planning and material management. This error indicates that there is a conflict with the material lock, which prevents certain operations from being executed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Material Locking: The error usually arises when a material is locked for a specific operation or transaction, and another process is trying to access or modify it. This can happen during production orders, purchase orders, or inventory management.
  Late Locking: The term "late lock" suggests that the system is trying to access a material that has already been locked by another transaction, and it cannot proceed until the lock is released.
  Concurrent Processes: If multiple users or processes are trying to access the same material simultaneously, it can lead to this error.
  
  Solutions:
  
  Check Material Status: Verify the status of the material in question. You can do this by checking the material master data and ensuring that it is not locked for any ongoing transactions.
  Release Locks: If you have access, you can release the locks on the material. This can often be done through transaction codes like SM12 (to view and delete locks) or SM21 (to check system logs for lock issues).
  Wait and Retry: If the lock is due to another user or process, you may need to wait until the other transaction is completed and then retry your operation.
  Review Batch Management: If you are using batch management, ensure that the batch is not locked for any reason. Check the batch status and release it if necessary.
  Consult with IT Support: If you are unable to resolve the issue, it may be necessary to consult with your SAP support team or IT department for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To check system logs for errors and issues.
  MM03: To view material master data.
  
  
  User Roles and Permissions: Ensure that you have the necessary permissions to access and modify the material in question.
  Documentation: Refer to SAP documentation or help files for more detailed information on material management and locking mechanisms.
  
  By following these steps, you should be able to diagnose and resolve the OM536 error in SAP. If the problem persists, further investigation into system configurations or user activities may be required.