Also Let me know if you need control at myside to check anything. I will be actively watching this ticket, In case if you want to see something in code.
You can test with admin user with default admin password
Have joined meeting
My system crashed 15 mins before, Can we connect now on the same link above?
Can we identify from where it is picking HTTP URL as redirect_uri ?
Logs sent over email
Can we connect over call, so that I can demonstrate you and we can close it asap?