How To Fix RSCRT194 - Locks for table &: Work process &, lock mode &, duration & sec

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCRT - Near-To-Real-Time Messages

• Message number: 194

• Message text: Locks for table &: Work process &, lock mode &, duration & sec

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 RSCRT194 - Locks for table &: Work process &, lock mode &, duration & sec ?

  The SAP error message RSCRT194 indicates that there are locks on a specific table that are preventing a work process from accessing it. This can occur in various scenarios, such as when multiple processes are trying to access the same data simultaneously, leading to contention for database locks.
  Cause:
  
  Concurrent Access: Multiple transactions or processes are trying to access or modify the same table or data at the same time.
  Long-Running Transactions: A transaction may be holding a lock for an extended period, preventing other processes from accessing the locked resources.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks, causing a standstill.
  Improper Lock Management: Applications or custom code that do not release locks properly can lead to prolonged lock durations.
  
  Solution:
  
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the table.
  Analyze the Lock Duration: Check how long the lock has been held and determine if it is a long-running transaction that can be optimized or terminated.
  Terminate the Lock: If necessary, you can manually delete the lock entry in SM12, but be cautious as this can lead to data inconsistencies if the transaction is still active.
  Optimize Code: Review the code or processes that are causing the locks. Ensure that locks are released as soon as they are no longer needed.
  Increase Work Process Capacity: If locks are frequent due to high contention, consider increasing the number of work processes in the SAP system to handle more concurrent requests.
  Database Tuning: Ensure that the database is properly tuned to handle the load and that there are no performance bottlenecks.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dumps that may provide insights into the issue.
  SM50: Monitor active processes and their statuses.
  
  
  
  Lock Modes: Understand the different lock modes (e.g., shared, exclusive) and how they affect concurrent access to data.
  
  
  Documentation: Refer to SAP Notes and documentation for specific guidance on handling locks and performance tuning.
  
  
  Best Practices: Implement best practices for database access and transaction management to minimize locking issues, such as using shorter transactions and proper error handling.
  
  
  By following these steps, you can address the RSCRT194 error and improve the overall performance and reliability of your SAP system.