Fatal error: Uncaught TypeError: json_decode(): Argument #1 ($json) must be of type string, array given in /var/www/html/tenant/src/Cache.php:46 Stack trace: #0 /var/www/html/tenant/src/Cache.php(46): json_decode() #1 /var/www/html/tenant/common/common-pre-login-php.php(63): FourRoomsHotel\Cache->get_cached_data_json() #2 /var/www/html/tenant/login.php(10): require('...') #3 {main} thrown in /var/www/html/tenant/src/Cache.php on line 46