panel loading issue after update CWP

Hello
Yesterday , there was update notification on panel , so i did it, but didn't risk to restart it on working hour, so i also noticed there is vulnerability issue on PHP 5.6.37 of CWP, i used php switcher and changed it to 5.6.40.
i didced let's restart all services ( as of yesterday i didn;t do it after update).
now my web site is up and OK , but i can;t  login to my Panel
https://x.x.x.x:2030 or 2031

it dos not load to login.

[root@srv1 ~]# netstat -naptul | grep :2031
tcp        0      0 0.0.0.0:2031            0.0.0.0:*               LISTEN      16530/cwpsrv: maste


Please assist.
Thank you.

what kind of error throws you?

no error on /var/log/messages
, i fixed it via  sh /scripts/restart_cwpsrv 
but seems my upgrade rolled back !!!