Jitsi-meet installing on AWS EC2 that time facing issue

I have to follow https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md and https://aws.amazon.com/blogs/opensource/getting-started-with-jitsi-an-open-source-web-conferencing-solution/

But when I run “apt-get -y install jitsi-meet” command that time getting error

root@ip----*:~# apt-get -y install jitsi-meet
Reading package lists… Done
Building dependency tree
Reading state information… Done
jitsi-meet is already the newest version (2.0.4468-1).
The following packages were automatically installed and are no longer required:
libc-ares2 libhttp-parser2.7.1 nodejs-doc
Use ‘apt autoremove’ to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up jitsi-meet-prosody (1.0.4025-1) …
The given hostname does not exist in the config
The given hostname does not exist in the config
dpkg: error processing package jitsi-meet-prosody (–configure):
installed jitsi-meet-prosody package post-installation script subprocess returned error exit status 1
No apport report written because the error message indicates its a followup error from a previous failure.
No apport report written because the error message indicates its a followup error from a previous failure.
dpkg: dependency problems prevent configuration of jitsi-meet:
jitsi-meet depends on jitsi-meet-prosody (= 1.0.4025-1); however:
Package jitsi-meet-prosody is not configured yet.

dpkg: error processing package jitsi-meet (–configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of jitsi-meet-turnserver:
jitsi-meet-turnserver depends on jitsi-meet-prosody; however:
Package jitsi-meet-prosody is not configured yet.

dpkg: error processing package jitsi-meet-turnserver (–configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
jitsi-meet-prosody
jitsi-meet
jitsi-meet-turnserver
E: Sub-process /usr/bin/dpkg returned an error code (1)

I need help.

I had this error and did a step by step video tutorial on setting up Jitsi on AWS https://youtu.be/Oq1vPZdYNNA