Fatal error: Uncaught TypeError: mysqli_real_escape_string(): Argument #1 ($mysql) must be of type mysqli, null given in /var/www/html/mpeblog.com/bad-words.php:10 Stack trace: #0 /var/www/html/mpeblog.com/bad-words.php(10): mysqli_real_escape_string() #1 /var/www/html/mpeblog.com/bad-words.php(43): get_pattern_from_db() #2 /var/www/html/mpeblog.com/index.php(40): replace_bad_words_if_exists() #3 {main} thrown in /var/www/html/mpeblog.com/bad-words.php on line 10