How To Fix OM536 - Requires Material block Late lock

OM536 - Overview

• 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.

OM536 - Details

• 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.