Fatal error: Uncaught Error: Class "OpenTelemetry\Context\ZendObserverFiber" not found in /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/vendor/open-telemetry/context/fiber/initialize_fiber_handler.php:7 Stack trace: #0 /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/vendor/composer/autoload_real.php(41): require() #1 /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/vendor/composer/autoload_real.php(45): {closure:ComposerAutoloaderInitea89b0f730a168789ff43266a25515c7::getLoader():37}() #2 /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/vendor/autoload.php(22): ComposerAutoloaderInitea89b0f730a168789ff43266a25515c7::getLoader() #3 /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/autoload.php(10): require_once('...') #4 /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/globalinclude.php(39): require_once('...') #5 /var/www/vhosts/great-body.de/httpdocs/jtlshop/index.php(7): require('...') #6 {main} thrown in /var/www/vhosts/great-body.de/httpdocs/jtlshop/includes/vendor/open-telemetry/context/fiber/initialize_fiber_handler.php on line 7