Contents of error_log:
[Sat Feb 17 09:38:24 2018] [error] [client 220.181.108.183] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 09:54:30 2018] [error] [client 123.125.71.76] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 10:24:34 2018] [error] [client 180.76.15.28] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 10:58:22 2018] [error] [client 14.215.176.14] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 15:56:16 2018] [error] [client 207.46.13.46] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 19:34:42 2018] [error] [client 46.229.168.70] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 19:47:06 2018] [error] [client 62.210.101.101] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Sat Feb 17 21:10:28 2018] [error] [client 46.229.168.71] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Tue Feb 20 08:03:33 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 08:03:33 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 09:25:16 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 10:34:37 2018] [error] [client 192.241.219.185] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Tue Feb 20 11:16:55 2018] [error] [client 180.76.15.26] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Tue Feb 20 11:20:24 2018] [error] [client 221.124.95.219] Directory index forbidden by Options directive: /var/www/vhosts/petelements.hk/PE/image/data/Charity/
[Tue Feb 20 12:18:06 2018] [error] [client 157.55.39.208] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49
[Tue Feb 20 16:24:29 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 16:24:29 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 16:40:37 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 16:40:37 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 16:44:04 2018] [error] [client 219.78.149.31] user annie not found: /plesk-stat/ftpstat
[Tue Feb 20 16:53:59 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 16:53:59 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 17:07:21 2018] [error] [client 58.152.207.149] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49, referer:
https://www.google.com.hk/
[Tue Feb 20 18:35:43 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 18:35:44 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 18:38:55 2018] [error] [client 59.148.57.158] PHP Notice: session_start(): ps_files_cleanup_dir: opendir(/var/lib/php/session) failed: Permission denied (13) in /var/www/vhosts/petelements.hk/PE/system/library/pagecache.php on line 49, referer:
https://www.google.com.hk/
[Tue Feb 20 18:57:10 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 18:57:10 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 19:02:05 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?
[Tue Feb 20 19:02:05 2018] [warn] RSA server certificate CommonName (CN) `Parallels Panel' does NOT match server name!?