A stream must either be a resource or a string.
in /var/www/clients/client0/web5/web/inc/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php (75)
#0 /var/www/clients/client0/web5/web/inc/boot/common.php(55): Monolog\Handler\StreamHandler->__construct()
#1 /var/www/clients/client0/web5/web/inc/boot/http.php(41): require('...')
#2 /var/www/clients/client0/web5/web/index.php(9): require('...')
#3 {main}