How To Fix RSMPC178 - Cannot lock request &1 of table &2 for deletion

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMPC - Messages for Process Chains of Generic Processes

• Message number: 178

• Message text: Cannot lock request &1 of table &2 for deletion

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 RSMPC178 - Cannot lock request &1 of table &2 for deletion ?

  The SAP error message RSMPC178 indicates that the system is unable to lock a request for deletion in a specific table. This typically occurs when there is a conflict with another process that is currently using the request or table, preventing the deletion operation from proceeding.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing the request or table, which prevents the lock from being acquired.
  Long-running Transactions: A transaction that is taking a long time to complete may hold the lock on the request or table.
  System Configuration: There may be configuration issues or settings that affect how locks are managed in the system.
  Database Issues: Problems with the underlying database can also lead to locking issues.
  
  Solution:
  
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify if there are any active sessions that are holding locks on the request or table.
  Wait and Retry: If another process is using the request, you may need to wait until that process completes and then try the deletion again.
  Terminate Long-running Processes: If you identify a process that is taking too long and is holding the lock, you may need to terminate it (with caution) using transaction SM37 (to monitor jobs) or SM50 (to monitor processes).
  Check for Background Jobs: Sometimes, background jobs may be running that are holding locks. Check the status of background jobs and their completion.
  Consult Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, especially if it appears to be a systemic issue.
  Review System Configuration: Ensure that the system configuration related to locking mechanisms is set up correctly.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: Display and manage locks.
  SM21: System log.
  SM37: Job monitoring.
  SM50: Process overview.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to locking mechanisms and request management for further insights.
  
  By following these steps, you should be able to identify the cause of the locking issue and take appropriate action to resolve it.