HTTP 500 when installing

[SH]

request.CRITICAL: Uncaught PHP Exception Exception: "No Content-Length field found in the HTTP header." at /opt/mailserver-admin/ vendor/mondalaci/supervisor-client/src/SupervisorClient/SupervisorClient.php line 624 {"exception":"[object] (Exception(code: 0): No Content-Length fie ld found in the HTTP header. at /opt/mailserver-admin/vendor/mondalaci/supervisor-client/src/SupervisorClient/SupervisorClient.php:624)"} []

[SH]

Seems fixed