Fatal error: Uncaught Error: Value of type null is not callable in /var/www/saemereien.ch/httpdocs/plugins/ws5_sendinblue/Bootstrap.php:2
Stack trace:
#0 /var/www/saemereien.ch/httpdocs/includes/vendor/composer/ClassLoader.php(571): include()
#1 /var/www/saemereien.ch/httpdocs/includes/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/var/www/saemer...')
#2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Plugin\\ws5_send...')
#3 /var/www/saemereien.ch/httpdocs/includes/src/Plugin/Helper.php(476): class_exists('Plugin\\ws5_send...')
#4 /var/www/saemereien.ch/httpdocs/includes/src/Shop.php(443): JTL\Plugin\Helper::bootstrap(77, Object(JTL\Plugin\PluginLoader))
#5 /var/www/saemereien.ch/httpdocs/includes/globalinclude.php(97): JTL\Shop::bootstrap(true, Object(JTL\DB\NiceDB), Object(JTL\Cache\JTLCache))
#6 /var/www/saemereien.ch/httpdocs/navi.php(5): require_once('/var/www/saemer...')
#7 {main}
thrown in /var/www/saemereien.ch/httpdocs/plugins/ws5_sendinblue/Bootstrap.php on line 2