How To Fix RSDDB361 - Master data delta daemon (ID '&1') is already scheduled. Please wait...

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDDB - BIA Index Objects: Activate, Fill, Delete

• Message number: 361

• Message text: Master data delta daemon (ID '&1') is already scheduled. Please wait...

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 RSDDB361 - Master data delta daemon (ID '&1') is already scheduled. Please wait... ?

  The SAP error message RSDDB361 indicates that the Master Data Delta Daemon for a specific ID is already scheduled to run. This typically occurs in the context of SAP BW (Business Warehouse) when there is an attempt to schedule a delta load for master data that is already in progress.
  Cause:
  
  Concurrent Execution: The most common cause of this error is that a delta load process for the same master data is already running. SAP BW does not allow multiple instances of the same delta load to run simultaneously to prevent data inconsistencies.
  Long-Running Processes: If the previous delta load is taking longer than expected due to data volume or performance issues, it may lead to this error.
  System Configuration: There may be configuration settings that limit the number of concurrent processes or that affect how delta loads are managed.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the currently running delta daemon to complete. You can monitor the process in transaction SM37 (Job Monitoring) to see if it is still active.
  Check for Stuck Processes: If the process seems to be stuck, you may need to investigate further. Look for any locks or issues that might be causing the delta load to hang.
  Terminate Stuck Jobs: If you determine that the delta load is indeed stuck and not progressing, you can terminate the job in SM37. Be cautious with this approach, as terminating a job can lead to data inconsistencies if not handled properly.
  Review System Logs: Check the system logs for any related error messages or warnings that might provide more context on why the delta load is taking longer than expected.
  Adjust Scheduling: If this is a recurring issue, consider adjusting the scheduling of your delta loads to avoid overlaps, or review the performance of the data load processes to optimize them.
  
  Related Information:
  
  Transaction Codes: 
  
  SM37: Job Monitoring
  RSCUSTV10: Customizing settings for delta management
  
  
  Performance Tuning: If delta loads are frequently taking too long, consider reviewing the data model, indexes, and overall system performance.
  SAP Notes: Check SAP Notes for any known issues or patches related to delta loads and master data processing.
  Documentation: Review SAP BW documentation for best practices on managing master data and delta loads.
  
  By following these steps, you should be able to resolve the RSDDB361 error and ensure that your master data delta loads run smoothly.