JVB fail to start. Caused by: java.io.FileNotFoundException: /etc/jitsi/videobridge/jvb.conf (Permission denied)

Hi all!

Failed to start Jitsi-Videobridge.
In jvb.log errors:
Caused by: com.typesafe.config.ConfigException$IO: /etc/jitsi/videobridge/jvb.conf: java.io.FileNotFoundException: /etc/jitsi/videobridge/jvb.conf (Permission denied)

jvb.conf exist:
root@jitsi:~# ls -la /etc/jitsi/videobridge/
total 32
drw-rw---- 2 jvb jitsi 4096 Dec 9 20:08 .
drwxr-xr-x 5 root root 4096 Dec 9 17:37 …
-rw-rw---- 1 jvb jitsi 183 Aug 6 2019 callstats-java-sdk.properties
-rw-rw---- 1 jvb jitsi 838 Dec 9 17:37 config
-rw-rw---- 1 jvb jitsi 211 Dec 9 17:37 jvb.conf
-rw-rw---- 1 jvb jitsi 1068 Oct 13 22:43 log4j2.xml
-rw-rw---- 1 jvb jitsi 1841 Jul 16 20:25 logging.properties
-rw-rw---- 1 jvb jitsi 668 Dec 9 20:08 sip-communicator.properties

How can i fix it?
Thank you advance

These are not default permissions. Purge and reinstall the package