How To Fix /RPM/MIGRATION153 - Cannot set exclusive lock for key &1 in DB &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /RPM/MIGRATION -

• Message number: 153

• Message text: Cannot set exclusive lock for key &1 in DB &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /RPM/MIGRATION153 - Cannot set exclusive lock for key &1 in DB &2 ?

  The SAP error message /RPM/MIGRATION153 Cannot set exclusive lock for key &1 in DB &2 typically indicates that there is an issue with acquiring a lock on a specific database key during a migration or data processing operation. This can occur in various scenarios, such as during data migration, updates, or when trying to access certain records in the database.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another process or user is currently holding a lock on the specified key in the database. This can happen if multiple transactions are trying to access or modify the same data simultaneously.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold onto the lock longer than expected, preventing other processes from acquiring it.
  Database Configuration: There may be issues related to the database configuration or settings that affect locking behavior.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  
  Solution:
  
  Identify the Lock Holder: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the specified key. You can then decide whether to wait for the lock to be released or terminate the process holding the lock.
  Wait and Retry: If the lock is held by a legitimate process, you may need to wait for it to complete. Implementing a retry mechanism in your code can help handle temporary locking issues.
  Optimize Transactions: Review and optimize long-running transactions to ensure they complete quickly and release locks in a timely manner.
  Check for Deadlocks: Monitor the system for deadlocks and resolve them by analyzing the processes involved. You may need to adjust the logic of your transactions to avoid such situations.
  Database Configuration: Review the database configuration settings related to locking and transactions. Ensure that they are set appropriately for your workload.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view lock entries), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for detailed information on locking mechanisms and best practices for database transactions.
  Performance Monitoring: Use tools like SAP Solution Manager or other performance monitoring tools to keep an eye on system performance and locking behavior.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.