Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in /home/acopar/public_html/pages/post.php on line 12

Fatal error: Uncaught Error: Call to a member function data_seek() on boolean in /home/acopar/public_html/includes/functions.php:17 Stack trace: #0 /home/acopar/public_html/pages/post.php(14): mysqli_result(false, 0, 'postData') #1 /home/acopar/public_html/index.php(20): require('/home/acopar/pu...') #2 {main} thrown in /home/acopar/public_html/includes/functions.php on line 17