How To Fix RSAR645 - InfoSource & connected with source system &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 645

• Message text: InfoSource & connected with source system &

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR645 - InfoSource & connected with source system & ?

  The SAP error message RSAR645 typically indicates an issue related to the InfoSource and its connection with the source system in the context of SAP BW (Business Warehouse) data extraction. This error can occur during the data extraction process when there is a problem with the configuration or communication between the InfoSource and the source system.
  Cause:
  
  Incorrect Configuration: The InfoSource may not be correctly configured to connect to the source system.
  Source System Issues: The source system may be down, or there may be network issues preventing communication.
  Authorization Issues: The user or service account used for the extraction may not have the necessary authorizations to access the source system or the InfoSource.
  Data Transfer Process (DTP) Issues: There may be issues with the DTP settings that are supposed to transfer data from the source system to the InfoSource.
  Data Model Changes: Changes in the data model or structure of the source system may not be reflected in the InfoSource configuration.
  
  Solution:
  
  Check Configuration: Verify the configuration of the InfoSource in the SAP BW system. Ensure that it is correctly set up to connect to the source system.
  Test Connection: Use transaction codes like RSA1 (Data Warehousing Workbench) to test the connection to the source system. Ensure that the source system is up and running.
  Review Authorizations: Check the authorizations for the user or service account being used for the extraction. Ensure it has the necessary permissions to access the InfoSource and the source system.
  Examine DTP Settings: Review the Data Transfer Process settings to ensure they are correctly configured and active.
  Check for Changes: If there have been recent changes to the data model in the source system, ensure that the InfoSource is updated accordingly.
  Monitor Logs: Check the logs for more detailed error messages that can provide additional context on the issue. Use transaction codes like SLG1 to view application logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSO2 (Manage InfoSources), and RSPC (Process Chains) for monitoring and troubleshooting.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RSAR645 or similar error messages.
  Documentation: Review SAP documentation on InfoSources and data extraction processes for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.