fix
fix

Fatal error: Uncaught TypeError: mysqli_warning_count(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/customers/webs/JScherf/kochbuch/classes/mysql.class.php:401 Stack trace: #0 /var/customers/webs/JScherf/kochbuch/classes/mysql.class.php(401): mysqli_warning_count() #1 /var/customers/webs/JScherf/kochbuch/classes/debug.class.php(43): DB_MYSQL->warnings() #2 /var/customers/webs/JScherf/kochbuch/classes/script_start.php(714): DEBUG->profile() #3 /var/customers/webs/JScherf/kochbuch/router.php(2): require('...') #4 {main} thrown in /var/customers/webs/JScherf/kochbuch/classes/mysql.class.php on line 401