3CX V18 Update 5 issues

[MFZadmin]

We have upgraded our Lightsail instance of 3CX v18 to the latest update 5 and since then Management console is not responding and webclient login shows a blank page with a 3CX logo.
Also unable to manage any extensions via the desktop client.
We have tried to restart services (Management, NGINX), restarted the Lightsail instance, tried different browsers, cleared the cache on the browser, and tried from the incognito option, however still no luck.

Please assist ASAP?

 

[AWS2P]

Hello, as you seem to have already tried all you can do without success , Perhaps quickest way to fix is to open a new lightsail instance and reinstall from scratch using a v18 backup to restore all the 3CX config (hope you have almost one backup).