nginx: [emerg] bind() to 68.168.98.181:443 failed (99: Cannot assign requested address)
nginx: configuration file /etc/nginx/nginx.conf test failed
You can disable nginx which should force the configuration to rebuild:
/usr/local/psa/admin/bin/nginxmgr -d
You can also try the steps below:
http://kb.sp.parallels.com/en/114245
If you get the error:
Apache config (14180811290.93120100) generation failed: Template_Exception: nginx: [emerg] bind() to 68.168.98.181:80 failed (99: Cannot assign requested address)
Re-read the IP’s in plesk. Then try again.