How To Fix R8203 - The connection between source system & and SAP BW System & is not known

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 203

• Message text: The connection between source system & and SAP BW System & is not known

What causes this issue?

No entries exist in table RSBASIDOC for source system &v1& and the
Business Information Warehouse-System &v2&. Therefore, the connections
to this system are not recognized by the Business Information
Warehouse-System.
However, necessary technical properties such as the Idoc names are
contained in table RSBASIDOC.

System Response

Termination of the transaction!

How to fix this error?

Maintain the entry correctly in RSBASIDOC!
<ZH>Attention:</> Incorrect entries in this table lead to even greater
inconsistencies!

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8203 - The connection between source system & and SAP BW System & is not known ?

  The SAP error message R8203 indicates that there is an issue with the connection between a source system and the SAP BW (Business Warehouse) system. This error typically arises when the BW system is unable to recognize or establish a connection with the specified source system. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Configuration: The connection settings between the source system and the BW system may not be configured correctly.
  Missing RFC Destination: The Remote Function Call (RFC) destination for the source system may not be defined in the BW system.
  Network Issues: There may be network connectivity issues preventing the BW system from reaching the source system.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations to access the source system.
  Source System Not Registered: The source system may not be properly registered in the BW system.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the BW system.
  Verify that the RFC destination for the source system is correctly defined and active.
  Test the connection to ensure it is working properly.
  
  
  
  Configure Source System:
  
  In the BW system, go to transaction code RSA1 (Data Warehousing Workbench).
  Navigate to the "Source Systems" section and ensure that the source system is correctly configured and registered.
  
  
  
  Network Connectivity:
  
  Check network settings and ensure that there are no firewalls or network issues blocking the connection between the BW system and the source system.
  
  
  
  User Authorizations:
  
  Ensure that the user credentials used for the connection have the necessary authorizations in both the source system and the BW system.
  
  
  
  Check Logs:
  
  Review the system logs for any additional error messages or details that may provide more context about the connection issue.
  
  
  
  Re-register Source System:
  
  If the source system is not recognized, you may need to re-register it in the BW system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: For managing RFC destinations.
  RSA1: For accessing the Data Warehousing Workbench.
  RSCUSTV10: For customizing BW settings.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring source systems and troubleshooting connection issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the cause of the R8203 error message in your SAP BW system.