How To Fix R8544 - Choose exactly one DataSource

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 544

• Message text: Choose exactly one DataSource

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 R8544 - Choose exactly one DataSource ?

  The SAP error message R8544, which states "Choose exactly one DataSource," typically occurs in the context of data extraction or data loading processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the system expects the user to select a single DataSource, but either multiple DataSources have been selected or none at all.
  Cause:
  
  Multiple Selections: The user has selected more than one DataSource when the system requires only one.
  No Selection: The user has not selected any DataSource when the system expects at least one.
  Configuration Issues: There may be issues with the configuration of the DataSources in the system, leading to ambiguity in selection.
  
  Solution:
  
  Select a Single DataSource: Ensure that you select exactly one DataSource from the available options. If you have multiple DataSources displayed, choose the one that is relevant for your task.
  Check for Filters: If you are using filters or criteria to narrow down the DataSources, ensure that they are set correctly to yield a single result.
  Review Configuration: If you believe you are selecting the correct DataSource but still encounter the error, review the configuration of the DataSources in the SAP system. Ensure that they are set up correctly and that there are no conflicts.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the DataSource you are working with, as there may be additional requirements or constraints.
  Contact Support: If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  SAP BW Documentation: Check the official SAP BW documentation for detailed information on DataSources and their configurations.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  By following these steps, you should be able to resolve the R8544 error and proceed with your data extraction or loading tasks in SAP.