Fatal error: Uncaught TypeError: mysqli_free_result(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/u825616240/domains/snarq.com.ar/public_html/lib/db.php:34 Stack trace: #0 /home/u825616240/domains/snarq.com.ar/public_html/lib/db.php(34): mysqli_free_result() #1 /home/u825616240/domains/snarq.com.ar/public_html/lib/db.php(62): db->free_result() #2 /home/u825616240/domains/snarq.com.ar/public_html/obra.php(390): db->shutDown() #3 {main} thrown in /home/u825616240/domains/snarq.com.ar/public_html/lib/db.php on line 34