Install kaltura without nginx

Yes I configured nginx with ssl and I have tried aganin now.
The problem still continue

https://cdn.yasar.edu.tr/index.php/extwidget/preview/partner_id/101/uiconf_id/23448423/entry_id/0_o865h69r/embed/auto?&flashvars[streamerType]=auto

[root@cdn ~]# kaltura-nginx-config.sh
kaltura-nginx-1.8.1-9.x86_64
Kaltura API host [cdn.yasar.edu.tr]:

Nginx server name [cdn.yasar.edu.tr]:

Nginx port to listen on [88]:
Would you like to configure Nginx with SSL?[Y/n]Y
Nginx SSL port to listen on [8443]:
Nginx SSL cert:  /etc/ssl/certs/yasar.pem
Nginx SSL key:  /etc/ssl/certs/yasar.key
Note: Forwarding request to 'systemctl enable kaltura-nginx.service'.
Redirecting to /bin/systemctl reload  kaltura-nginx.service