Kaltura CE latest version 11.1.0 blank central screen (menus are shown) in KMC after login and also API -1 Error in KAC

Hello,

In your browser, open the dev tools and look at the 'Network' and ' Console' tabs when making the requests.
In the server's shell:
# source /etc/profile.d/kaltura-base.sh
# kaltlog

and look at the output.