How To Fix CPPEMIG149 - BOM could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CPPEMIG - Migration of BOM and Routing to iPPE

• Message number: 149

• Message text: BOM could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CPPEMIG149 - BOM could not be locked ?

  The SAP error message CPPEMIG149 indicates that a Bill of Materials (BOM) could not be locked during a migration or processing task. This error typically arises in scenarios where multiple users or processes are trying to access or modify the same BOM simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the BOM, preventing your session from locking it.
  System Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. If a lock is already in place, your request to lock the BOM will fail.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold the lock longer than expected.
  Database Issues: Sometimes, underlying database issues can lead to locking problems.
  
  Solutions:
  
  Check for Active Sessions: Use transaction codes like SM12 (to view and delete locks) to check if there are any active locks on the BOM. If you find a lock that is