*official* site loading errors

hey I use google chrome as my browser and I constantly get errors when loading the site I get errors where it will load the bar that has the CoD black ops logo and the links to forums, missions, etc. and above that it will say
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.103 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.102 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.101 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.104 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 257: Memcache::get() [function.Memcache-get]: Server 216.174.100.105 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.103 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.102 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.101 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.104 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 257: Memcache::get() [function.Memcache-get]: Server 216.174.100.105 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.103 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.102 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.101 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.104 (tcp 11211) failed with: Connection timed out (110)
[phpBB Debug] PHP Notice: in file /var/www/callofduty.com/library/System/Cache/ObjectCache.class.php on line 177: Memcache::replace() [function.Memcache-replace]: Server 216.174.100.105 (tcp 11211) failed with: Connection timed out (110).
other times it will just say that the page is just not available other times I get:
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General Error
SQL ERROR [ mysqli ]

Can't create a new thread (errno 11); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug [1135]

An sql error occurred while fetching this page. Please contact an administrator if this problem persists.
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if anyone else has this problem or if there is another thread, or if you have a solution about this please tell me