How To Fix HRWPC_OADP_MIGRATION018 - Migration could not take place since table &1 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: HRWPC_OADP_MIGRATION - Message Class for Package PWPC_MAN_TEAMOVERVIEW

• Message number: 018

• Message text: Migration could not take place since table &1 is locked

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 HRWPC_OADP_MIGRATION018 - Migration could not take place since table &1 is locked ?

  The SAP error message HRWPC_OADP_MIGRATION018 indicates that a migration process could not be completed because a specific table (denoted as &1 in the error message) is locked. This typically occurs during data migration or system upgrades when the system attempts to access or modify a table that is currently locked by another process.
  Cause:
  
  
  Table Locking: The table in question is locked by another transaction or process. This could be due to:
  
  A long-running transaction that has not yet completed.
  A background job that is currently processing data in that table.
  A manual lock placed on the table by an administrator or user.
  
  
  
  Concurrent Processes: Multiple processes trying to access the same table simultaneously can lead to locking issues.
  
  
  Database Locking Mechanisms: The underlying database may have its own locking mechanisms that prevent access to the table during certain operations.
  
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction codes like SM12 (for lock entries) to check for existing locks on the table. This will help you identify which user or process is holding the lock.
  
  
  
  Release the Lock:
  
  If the lock is held by a user or a transaction that is no longer needed, you can manually release it. Be cautious when doing this, as it may affect ongoing processes.
  If the lock is due to a long-running transaction, you may need to wait for it to complete or investigate why it is taking so long.
  
  
  
  Check Background Jobs:
  
  Use transaction SM37 to check for any background jobs that might be running and holding locks on the table. If necessary, you can cancel or reschedule these jobs.
  
  
  
  Retry Migration:
  
  Once the lock is released, you can retry the migration process. Ensure that no other processes are running that might lock the table again.
  
  
  
  Consult Documentation:
  
  Review SAP notes or documentation related to the specific migration process you are performing. There may be additional recommendations or best practices to follow.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM37: Monitor background jobs.
  SE11: Data Dictionary to check the structure of the table in question.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding this error message or the migration process you are performing.
  
  
  System Performance: If table locking is a frequent issue, consider reviewing system performance and optimizing long-running transactions or background jobs.
  
  
  Database Administration: If you have access to the database, you may also want to check for any database-level locks that could be affecting the table.
  
  
  By following these steps, you should be able to resolve the locking issue and successfully complete the migration process.