How To Fix RSMPC180 - No PSA exists for DataSource &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 180

• Message text: No PSA exists for DataSource &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMPC180 - No PSA exists for DataSource &1 ?

  The SAP error message RSMPC180 "No PSA exists for DataSource &1" typically occurs in the context of SAP BW (Business Warehouse) when you are trying to load data from a DataSource into a DataTarget (like an InfoCube or DataStore Object) and the system cannot find the corresponding Persistent Staging Area (PSA) table for the specified DataSource.
  Cause:
  
  Missing PSA Table: The PSA table for the specified DataSource has not been created. This can happen if the DataSource was newly created and the initial load has not yet been executed.
  DataSource Deactivation: The DataSource might be deactivated or not properly configured.
  Transport Issues: If the DataSource was transported from another system, the PSA might not have been transported correctly.
  Technical Issues: There could be technical issues or inconsistencies in the BW system.
  
  Solution:
  
  
  Check DataSource Configuration:
  
  Go to the DataSource in the SAP BW system (transaction code RSA1).
  Ensure that the DataSource is active and properly configured.
  
  
  
  Create PSA Manually:
  
  If the PSA does not exist, you can create it by executing an initial load for the DataSource. This can be done by running a data load from the source system to the PSA.
  Use transaction code RSA3 to test the DataSource and load data into the PSA.
  
  
  
  Check Transport Requests:
  
  If the DataSource was transported, ensure that the transport request included the necessary objects and that they were imported correctly into the target system.
  
  
  
  Re-activate DataSource:
  
  Sometimes, simply reactivating the DataSource can resolve the issue. You can do this in RSA1 by selecting the DataSource and choosing the "Activate" option.
  
  
  
  Check for Errors in Data Load:
  
  Review the logs for any errors during the data load process that might indicate why the PSA is not being created.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  PSA (Persistent Staging Area): The PSA is a temporary storage area in SAP BW where data is stored before it is transformed and loaded into the final DataTargets. It allows for data cleansing and error handling.
  DataSource: A DataSource is a structure that defines the source of data for extraction in SAP BW. It can be from various sources like SAP ERP, flat files, or other databases.
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSA3: DataSource Test
  RSMO: Monitor Data Loads
  
  
  
  By following these steps, you should be able to resolve the RSMPC180 error and ensure that the PSA for the DataSource is properly set up.