How To Fix RSSDA102 - Error while determining the type of BW source system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDA - BW HANA Smart Data Access

• Message number: 102

• Message text: Error while determining the type of BW source system &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.

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 RSSDA102 - Error while determining the type of BW source system &1 ?

  The SAP error message RSSDA102, which states "Error while determining the type of BW source system &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the configuration or recognition of a source system. This error can arise during data extraction or when trying to connect to a source system.
  Causes:
  
  Incorrect Source System Configuration: The source system may not be properly configured in the BW system. This could include missing or incorrect settings in the source system definition.
  Connection Issues: There may be network or connectivity issues preventing the BW system from accessing the source system.
  Authorization Problems: The user or service account used to connect to the source system may not have the necessary authorizations.
  Incompatible Versions: There may be compatibility issues between the BW system and the source system, especially if they are on different versions or if there are missing components.
  Missing or Incorrect RFC Destination: The Remote Function Call (RFC) destination used to connect to the source system may be missing or incorrectly configured.
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Go to the SAP BW system and check the configuration of the source system in transaction RSA1 (Data Warehousing Workbench).
  Ensure that the source system is correctly defined and that all necessary parameters are set.
  
  
  
  Verify RFC Destination:
  
  Use transaction SM59 to check the RFC destination settings.
  Ensure that the destination is correctly configured and that the connection test is successful.
  
  
  
  Check Authorizations:
  
  Verify that the user or service account has the necessary authorizations to access the source system.
  Check roles and authorizations in both the BW and source systems.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the BW system from reaching the source system.
  You can use tools like ping or telnet to test connectivity.
  
  
  
  Review Logs:
  
  Check the system logs for any additional error messages that may provide more context about the issue.
  Use transaction SLG1 to view application logs related to the source system.
  
  
  
  Compatibility Check:
  
  Ensure that the versions of the BW and source systems are compatible.
  Check for any required patches or updates that may need to be applied.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for BW and the specific source system you are working with for any configuration guidelines.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.