Fatal error: Uncaught Exception: Unknown column 'c.folder' in 'field list' query: SELECT SQL_CALC_FOUND_ROWS f.name,f.artist,f.slug,f.thumb,f.duration,f.download,c.folder FROM file f WHERE f.status = ? AND f.deleted_at IS NULL AND user_id = NULL ORDER BY f.id DESC LIMIT 30, 10 in /home/insta/public_html/vendor/thingengineer/mysqli-database-class/MysqliDb.php:2056 Stack trace: #0 /home/insta/public_html/vendor/thingengineer/mysqli-database-class/MysqliDb.php(1644): MysqliDb->_prepareQuery() #1 /home/insta/public_html/vendor/thingengineer/mysqli-database-class/MysqliDb.php(788): MysqliDb->_buildQuery(Array) #2 /home/insta/public_html/vendor/thingengineer/mysqli-database-class/MysqliDb.php(2456): MysqliDb->get('file f', Array, 'f.name,f.artist...') #3 /home/insta/public_html/controller/AllSongs.php(115): MysqliDb->paginate('file f', '4', 'f.name,f.artist...') #4 /home/insta/public_html/index.php(63): require('/home/insta/pub...') #5 {main} thrown in /home/insta/public_html/vendor/thingengineer/mysqli-database-class/MysqliDb.php on line 2056