Upgrade from 3.5 t 4 error

[tutle]

When trying upgrade, I have this message `Integrating service in YunoHost...

usage: yunohost service add name

[-h] [-d DESCRIPTION] [-l LOG [LOG ...]]

[-t {file,systemd} [{file,systemd} ...]]

[--test_status TEST_STATUS]

[--test_conf TEST_CONF]

[--needs_exposed_ports PORT [PORT ...]] [-n]

[-s STATUS]

yunohost service add: error: argument --needs_exposed_ports: invalid int value: ''

[Error] Upgrade failed.

The user turnserver was not found

13872 I: Creating /var/lib/turn/turndb from /usr/share/doc/coturn/schema.sql

The app was restored to the way it was before the failed upgrade.`

[ericgaspar]

As this is a big package upgrade you have to remove the 0.3.5 before... -> https://forum.yunohost.org/t/galene-videoconferencing-server/14730/13

[tutle]

Thanks, solved