How to resolve “Data could not be retrieved, make sure Data Extension properties are provided correctly and data still exist” Error?

the “data could not be retrieved, make sure data extension properties are provided correctly and data still exist” error message typically occurs when there are issues accessing a data extension in salesforce marketing cloud the most common reason is a temporary connection issue it can also be caused by incorrect configurations, missing data, or an inaccessible de this error can occur due to several reasons temporary connection issue a brief network or system issue could be causing the problem data structure changes check if fields in the de were modified, leading to mismatches data retention settings ensure that the data hasn’t been deleted due to retention policies read lock if the de is being modified (e g , by automation studio or deselect), it may be temporarily locked, blocking other processes access permissions the user running the query might not have the necessary permissions to access the de check how you can limit accessible folders in the admin panel how to resolve this? retry running the selection if the issue occurs due to a temporary connection problem or a brief read lock, try rerunning the selection after some time has passed ensure the de still exists in sfmc and check for any recent changes, such as renamed or removed fields that could affect data retrieval check permissions ensure the user has the correct permissions to access the de if using an api, verify that the api user has the necessary access validate query and mapping review the query or selection for mapping errors, especially between fields in the de and the target de if the problem persists despite these steps, you can reach out to deselect support or log a case with sfmc support