Could not select values: Table 'ResearchDirectory-UI.authors' doesn't exist;  [SELECT P.paperID,P.title,DATE_FORMAT(P.date,'%M %Y') AS date,P.type,P.abstract,P.url AS paper_url,P.approved,P.active,U.lastName FROM papers P INNER JOIN authors A ON P.paperID = A.paperID INNER JOIN users U ON A.userID = U.userID WHERE P.approved = 1 AND P.active = 1 AND A.firstAuthor = 1 ORDER BY P.date]