Composer detected issues in your platform:

Your Composer dependencies require a PHP version ">= 7.2.5". 

{"code":"internal_server_error","message":"<p>Es gab einen kritischen Fehler auf deiner Website.<\/p><p><a href=\"https:\/\/wordpress.org\/support\/article\/faq-troubleshooting\/\">Erfahre mehr \u00fcber die Problembehandlung in WordPress.<\/a><\/p>","data":{"status":500},"additional_errors":[]}