при 25 выдает полностью запрос

Error executing the SQL Query : SELECT authors.*, bookauthors.authorType, bookauthors.bookID FROM bookauthors INNER JOIN authors ON bookauthors.authorID = authors.ID WHERE bookauthors.bookID = -1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 ,21,22,23,24,25/* and authorType = 1