How To Fix AD597 - Table & (modification of DB table canceled (DB lock))

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 597

• Message text: Table & (modification of DB table canceled (DB lock))

What causes this issue?

Fields that are added to a transparent table structure
in the ABAP/4 Dictionary must also be added to the
structure of the database table. When an attempt was made to do this,
an abnormal termination occurred as a result of a database lock.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The action can be repeated as soon as the database lock has been
removed from this table. This can be done by explicitly deleting the
database lock or by closing down the database. Please inform your
database administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD597 - Table & (modification of DB table canceled (DB lock)) ?

  The SAP error message AD597 indicates that a modification to a database table has been canceled due to a database lock. This typically occurs when multiple processes or users are trying to access or modify the same database table simultaneously, leading to a conflict.
  Cause:
  
  Database Locking: When a transaction is in progress, it may lock certain database tables to ensure data integrity. If another transaction tries to modify the same table while it is locked, the modification will be canceled, resulting in the AD597 error.
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks for an extended period, causing other transactions to fail.
  Deadlocks: In some cases, two or more transactions may be waiting for each other to release locks, leading to a deadlock situation.
  Concurrent Access: Multiple users or processes trying to access the same table at the same time can lead to locking issues.
  
  Solution:
  
  Identify the Lock: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock on the table.
  Wait and Retry: If the lock is temporary, waiting for the transaction to complete may resolve the issue. You can retry the operation after a short period.
  Optimize Transactions: Review and optimize long-running transactions to ensure they complete quickly and release locks promptly.
  Lock Management: If necessary, you can manually delete locks in SM12, but this should be done with caution, as it may lead to data inconsistency.
  Check for Deadlocks: Use transaction SM21 (System Log) to check for deadlocks and analyze the logs to understand the cause.
  Database Configuration: Review the database configuration and settings to ensure they are optimized for concurrent access.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: System log for monitoring.
  ST22: Dump analysis for ABAP runtime errors.
  SM50: Monitor active processes in the system.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message.
  Performance Monitoring: Regularly monitor system performance and database locks to prevent future occurrences of this error.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.