According to XEP-0405, there is no jid attribute in response to <client-leave/> in <leave/> element. Currently, we are sending null#channel-id@mix.domain as a jid attribute which is incorrect and not needed according to the specification.
Andrzej Wójcik (Tigase) commented 5 years ago
The issue was fixed by the removal of jid attribute as it was not required by the XEP.
According to XEP-0405, there is no
jid
attribute in response to<client-leave/>
in<leave/>
element. Currently, we are sendingnull#channel-id@mix.domain
as ajid
attribute which is incorrect and not needed according to the specification.