How To Fix AD648 - No source selected

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 648

• Message text: No source selected

What causes this issue?

A source that is required for immediate use (new storage parameter)
has not been selected.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select a source to be immediately effective in the data base.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD648 - No source selected ?

  The SAP error message AD648 "No source selected" typically occurs in the context of data transfer or data extraction processes, particularly when working with data sources in SAP BW (Business Warehouse) or during data loading processes. This error indicates that the system could not find a valid source for the data transfer or extraction.
  Causes:
  
  Missing Source Definition: The data source may not be properly defined or activated in the system.
  Incorrect Selection: The user may not have selected a valid source or may have selected an invalid or non-existent source.
  Authorization Issues: The user may lack the necessary authorizations to access the data source.
  Technical Issues: There may be technical issues with the data source or the underlying database.
  
  Solutions:
  
  
  Check Data Source Definition:
  
  Ensure that the data source is correctly defined and activated in the SAP system. You can do this by navigating to the relevant data source in the SAP BW system and checking its settings.
  
  
  
  Select a Valid Source:
  
  Make sure that you have selected a valid source for your data transfer or extraction. Double-check the selection criteria and ensure that the source exists.
  
  
  
  Review Authorizations:
  
  Verify that the user has the necessary authorizations to access the data source. You may need to consult with your SAP security team to ensure that the user has the appropriate roles and permissions.
  
  
  
  Check for Technical Issues:
  
  Investigate any technical issues that may be affecting the data source. This could involve checking the underlying database, reviewing logs for errors, or consulting with your technical team.
  
  
  
  Recreate the Data Source:
  
  If the data source is corrupted or not functioning as expected, consider recreating it. This may involve deleting the existing data source and creating a new one with the same settings.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to manage data sources and check their status.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the AD648 error and implement a suitable solution.