How To Fix RSDTM099 - Could not find external source system with format "&1&.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDTM - Data Mining Connection Messages

• Message number: 099

• Message text: Could not find external source system with format "&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDTM099 - Could not find external source system with format "&1&. ?

  The SAP error message RSDTM099, which states "Could not find external source system with format '&1&'", typically occurs in the context of SAP BW (Business Warehouse) when the system is unable to locate a specified external source system. This can happen for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  
  Incorrect Source System Configuration: The source system may not be properly configured in the SAP BW system. This could be due to missing or incorrect entries in the source system settings.
  
  
  Source System Not Activated: The source system might not be activated or might be in a state that prevents it from being accessed.
  
  
  Network Issues: There could be network connectivity issues between the SAP BW system and the external source system.
  
  
  Authorization Issues: The user or the system may not have the necessary authorizations to access the external source system.
  
  
  Incorrect Format Specification: The format specified in the error message may not match any existing source system configurations.
  
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Go to the SAP BW system and navigate to the source system settings (Transaction Code: RSA1).
  Verify that the source system is correctly defined and that all necessary parameters are filled in.
  
  
  
  Activate the Source System:
  
  If the source system is not activated, activate it in the SAP BW system.
  
  
  
  Verify Network Connectivity:
  
  Ensure that there are no network issues preventing access to the external source system. You can use tools like ping or telnet to check connectivity.
  
  
  
  Check Authorizations:
  
  Ensure that the user or the system has the necessary authorizations to access the external source system. This may involve checking roles and permissions in both the SAP BW and the source system.
  
  
  
  Correct Format Specification:
  
  Review the format specified in the error message. Ensure that it matches the expected format for the source system. If necessary, correct the format in the configuration.
  
  
  
  Check Logs for More Details:
  
  Review the system logs (Transaction Code: SLG1) for more detailed error messages that may provide additional context for the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for RSDTM099 in the SAP Support Portal.
  Documentation: Refer to the SAP BW documentation for detailed information on configuring and managing source systems.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.