How To Fix RSCRT055 - Open change log requests for closed PSA request (IP &1, daemon &2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 055

• Message text: Open change log requests for closed PSA request (IP &1, daemon &2)

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSCRT055 - Open change log requests for closed PSA request (IP &1, daemon &2) ?

  The SAP error message RSCRT055 indicates that there are open change log requests for a closed Persistent Staging Area (PSA) request. This typically occurs in the context of data extraction and loading processes in SAP BW (Business Warehouse) when dealing with data sources and data transfer processes (DTPs).
  Cause:
  The error arises when:
  
  A data request in the PSA has been closed, but there are still open change log requests associated with it.
  The system is trying to process or delete the closed request while there are still dependencies on it.
  There may be inconsistencies in the data load process, or the data load was not completed successfully.
  
  Solution:
  To resolve the RSCRT055 error, you can follow these steps:
  
  
  Check Open Change Log Requests:
  
  Use transaction code RSA1 to access the Data Warehousing Workbench.
  Navigate to the relevant InfoProvider and check the change log requests associated with the closed PSA request.
  
  
  
  Delete or Process Open Change Log Requests:
  
  If there are open change log requests, you may need to either process them or delete them if they are no longer needed.
  You can use transaction RSPC to manage process chains and check for any running or failed processes that might be holding onto the change log requests.
  
  
  
  Reprocess the Data Load:
  
  If the data load was interrupted or failed, consider reprocessing the data load to ensure that all requests are properly closed and that there are no dangling change logs.
  
  
  
  Check for Inconsistencies:
  
  Ensure that there are no inconsistencies in the data model or data flow that could be causing the issue. This may involve checking the data source, transformation rules, and DTP settings.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve underlying issues.
  
  
  
  System Restart:
  
  In some cases, a system restart may help clear any locks or inconsistencies that are causing the error.
  
  
  
  Related Information:
  
  PSA (Persistent Staging Area): A temporary storage area in SAP BW where data is stored before it is transformed and loaded into the final data targets.
  Change Log: A mechanism that tracks changes to data in the PSA, allowing for delta loads and ensuring data consistency.
  Data Transfer Process (DTP): A process that defines how data is transferred from the source to the target in SAP BW.
  
  If the issue persists after following these steps, it may be necessary to engage with SAP support for further assistance.