How To Fix 1B408 - Interval table currently blocked by another process

SAP Error Message - Details

• Message type: E = Error

• Message class: 1B - BKK: General Texts

• Message number: 408

• Message text: Interval table currently blocked by another process

What causes this issue?

The interval table is currently being created by another process.
The process is running under user &v1&.

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?

Wait until the transaction editing the interval table is finished or
contact the user who is blocking the table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1B408 - Interval table currently blocked by another process ?

  The SAP error message 1B408: Interval table currently blocked by another process typically occurs when a transaction or process is trying to access an interval table that is currently locked by another process. This can happen in various scenarios, such as during data updates, batch jobs, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same interval table at the same time.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the interval table, preventing other processes from accessing it.
  Batch Jobs: Scheduled batch jobs that run during peak hours may cause locks on the interval table.
  Database Locks: Locks at the database level due to uncommitted transactions or improper handling of transactions.
  
  Solutions:
  
  Wait and Retry: If the error is due to a temporary lock, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify Blocking Process: Use transaction codes like SM12 (for lock entries) or SM21 (for system logs) to identify which process is holding the lock. You can then decide whether to wait for it to complete or take action.
  Optimize Long-Running Transactions: Review and optimize any long-running transactions that may be causing locks. Ensure that they are as efficient as possible.
  Schedule Batch Jobs Wisely: If batch jobs are causing the issue, consider rescheduling them to off-peak hours to minimize contention for resources.
  Database Administration: If the issue persists, consult with your database administrator to check for any underlying database issues or locks that may need to be resolved.
  Transaction Management: Ensure that transactions are properly managed, with appropriate commit and rollback statements to avoid leaving locks hanging.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage lock entries), SM21 (to check system logs), and ST22 (to analyze dumps).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Performance Monitoring: Regularly monitor system performance and lock situations to proactively address potential issues before they affect users.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.