How To Fix RSCRT123 - No active PSA found for DataSource '&1' and source system '&2'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 123

• Message text: No active PSA found for DataSource '&1' and source system '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCRT123 - No active PSA found for DataSource '&1' and source system '&2' ?

  The SAP error message RSCRT123 indicates that there is no active Persistent Staging Area (PSA) found for a specific DataSource and source system. This error typically occurs in the context of SAP BW (Business Warehouse) when trying to load data from a source system into the BW system.
  Cause:
  
  Inactive PSA: The PSA for the specified DataSource may not be activated or may have been deleted.
  Incorrect DataSource Configuration: The DataSource might not be properly configured in the BW system.
  Source System Issues: The source system may not be connected correctly, or there may be issues with the DataSource in the source system.
  Transport Issues: If the DataSource was transported from another system, it may not have been activated properly in the target system.
  
  Solution:
  
  
  Check PSA Activation:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the DataSource in question and check if the PSA is active.
  If it is inactive, activate it.
  
  
  
  Verify DataSource Configuration:
  
  Ensure that the DataSource is correctly configured in the BW system.
  Check the settings for the DataSource in the DataSource maintenance (transaction code RSA2).
  
  
  
  Check Source System Connection:
  
  Verify that the source system is connected and accessible.
  Check the connection settings in the BW system (transaction code RSA1 -> Source Systems).
  
  
  
  Recreate PSA:
  
  If the PSA has been deleted or is corrupted, you may need to recreate it.
  This can be done by reloading the DataSource or by creating a new PSA.
  
  
  
  Transport Issues:
  
  If the DataSource was transported, ensure that all necessary objects were transported correctly.
  Check for any transport errors and resolve them.
  
  
  
  Check for Updates:
  
  Ensure that your SAP BW system is up to date with the latest support packages and notes, as there may be fixes related to this issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSA2: DataSource Maintenance
  RSC1: PSA Maintenance
  
  
  SAP Notes: Check SAP Notes related to the specific DataSource or error message for additional troubleshooting steps or known issues.
  Documentation: Refer to SAP Help documentation for detailed information on DataSources and PSAs in BW.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSCRT123 error message.