How To Fix 5U878 - One or several tables locked by another user

5U878 - Overview

• Message type: E = Error

• Message class: 5U - HR US: Messages

• Message number: 878

• Message text: One or several tables locked 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.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5U878 - One or several tables locked by another user ?

  The SAP error message 5U878 indicates that one or several tables are locked by another user. This typically occurs when a transaction is trying to access a database table that is currently locked by another session or user, preventing the current operation from proceeding.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same data simultaneously.
  Long-Running Transactions: A transaction that takes a long time to complete may hold locks on tables longer than expected.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks, causing a standstill.
  Unfinished Transactions: A user may have left a transaction open, holding locks on the tables involved.
  
  Solutions:
  
  Wait and Retry: Often, the simplest solution is to wait for the other user or process to complete their transaction and release the lock. You can retry the operation after a short period.
  Identify the Locking User: Use transaction codes like SM12 (Display