Thank you for your useful script
I did all of them and it works. but after installing both at the same time after upgrading database moodle would not show anything
If i install the plugin (liveclass1) without installing bigbluebutton plugin it works.
but if i try install it after installing bigbluebutton it would be completetly installed but after i continue the blank page will be displayed with url https://mysiteurl/admin/search.php
can you please help me on this?