Hi @han gao In what scenario did you encounter this error? I found the post you're getting an error on, not sure which one you're coming across. https://stackoverflow.com/questions/24998586/sql-server-query-erroring-with-an-object-or-column-name-is-missing-or-empty
https://blog.sqlauthority.com/2017/10/13/sql-server-msg-1038-object-column-name-missing-empty-select-statements-verify-column-name/ Best regards, Percy Tang