How To Fix RD127 - Selection table was requested for a nonexistent DataSource

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 127

• Message text: Selection table was requested for a nonexistent 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.

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 RD127 - Selection table was requested for a nonexistent DataSource ?

  The SAP error message RD127, which states "Selection table was requested for a nonexistent DataSource," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an attempt to access a DataSource that does not exist or is not properly configured.
  Causes:
  
  Nonexistent DataSource: The DataSource you are trying to access has not been created or has been deleted.
  Incorrect DataSource Name: There may be a typo or incorrect naming in the DataSource reference.
  Transport Issues: If the DataSource was recently transported from another system, it may not have been properly activated or may not exist in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the DataSource.
  DataSource Deactivation: The DataSource might be deactivated in the system.
  
  Solutions:
  
  
  Check DataSource Existence:
  
  Go to the Data Warehousing Workbench (transaction code RSA1) and check if the DataSource exists in the relevant InfoSource or InfoProvider.
  If it does not exist, you may need to create it or restore it from a backup.
  
  
  
  Verify DataSource Name:
  
  Double-check the name of the DataSource in your query or report to ensure it matches the name in the system.
  
  
  
  Activate DataSource:
  
  If the DataSource exists but is inactive, activate it in the Data Warehousing Workbench.
  
  
  
  Check Transport Logs:
  
  If the DataSource was transported, check the transport logs for any errors or issues during the transport process.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the DataSource. This can be checked in transaction SU53 or by reviewing the user's roles.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes from SAP regarding the specific DataSource and its configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSD1: DataSource Maintenance
  RSPC: Process Chain Maintenance (if the error occurs in a process chain)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific DataSource or error message.
  
  
  Logs and Traces: Use transaction SLG1 to check application logs for more detailed error messages that might provide additional context.
  
  
  By following these steps, you should be able to identify the cause of the RD127 error and implement the appropriate solution.