Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/parsiteb/domains/parsiteb.com/public_html/fa/wp-admin/includes/mysql_class.php:204
Stack trace:
#0 /home/parsiteb/domains/parsiteb.com/public_html/fa/wp-admin/includes/mysql_class.php(204): mysqli_fetch_assoc()
#1 /home/parsiteb/domains/parsiteb.com/public_html/fa/wp-admin/includes/mysql_class.php(146): db_mysql->fetch_array()
#2 /home/parsiteb/domains/parsiteb.com/public_html/fa/disease.php(21): db_mysql->query()
#3 {main}
thrown in /home/parsiteb/domains/parsiteb.com/public_html/fa/wp-admin/includes/mysql_class.php on line 204