How To Fix RD129 - Type of data source could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 129

• Message text: Type of data source could not be determined

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 RD129 - Type of data source could not be determined ?

  The SAP error message RD129, which states "Type of data source could not be determined," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the data source configuration or when the system is unable to identify the type of data source being used.
  Causes:
  
  Incorrect Data Source Configuration: The data source may not be properly configured in the SAP system, leading to ambiguity about its type.
  Missing or Incomplete Metadata: The metadata for the data source might be incomplete or missing, preventing the system from determining its type.
  Transport Issues: If the data source was transported from another system, there may be inconsistencies or missing components.
  Data Source Type Not Supported: The data source type may not be supported in the current context or version of SAP.
  Authorization Issues: Lack of proper authorizations can sometimes lead to the system being unable to access the necessary information to determine the data source type.
  
  Solutions:
  
  Check Data Source Configuration: Verify the configuration of the data source in the SAP BW system. Ensure that all required fields and settings are correctly filled out.
  Review Metadata: Check the metadata associated with the data source. Ensure that it is complete and correctly defined.
  Recreate the Data Source: If the data source is corrupted or misconfigured, consider recreating it from scratch.
  Transport Check: If the data source was transported, check the transport logs for any errors or warnings. Ensure that all necessary objects were included in the transport.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data source and its metadata.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like RSA1 (Data Warehousing Workbench) to check the data source configuration.
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on data source configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.