How To Fix 6C055 - Table $ is blocked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: 6C - Financial Asset Management Customizing

• Message number: 055

• Message text: Table $ is blocked by another user

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6C055 - Table $ is blocked by another user ?

  The SAP error message "6C055 Table $ is blocked by another user" indicates that a specific database table is currently locked by another user or session, preventing your transaction from accessing it. This can occur in various scenarios, such as when multiple users are trying to update the same table simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing or modifying the table, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table longer than expected.
  Uncommitted Changes: If a user has made changes to the table but has not yet committed or rolled back the transaction, the table remains locked.
  Deadlocks: In some cases, a deadlock situation may arise where two or more transactions are waiting for each other to release locks.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for the other user to complete their transaction. You can retry your operation after a short period.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or session is holding the lock on the table. You can check the lock entries and see if you can contact the user to resolve the issue.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistency if the other user is still working on the data.
  Optimize Transactions: If you frequently encounter this issue, consider optimizing your transactions to reduce the time locks are held. This can include breaking down large transactions into smaller ones or ensuring that transactions are committed or rolled back promptly.
  Check for Deadlocks: If you suspect a deadlock, you may need to analyze the situation further. SAP provides tools to help diagnose deadlocks, and you may need to involve your technical team to resolve complex locking issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM21 (system log), and ST22 (dump analysis) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to locking behavior in your specific version of SAP.
  User Training: Ensure that users are trained on best practices for managing transactions to minimize locking issues.
  
  If the problem persists or is critical, consider reaching out to your SAP Basis team or support for further assistance.