Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Too many connections
/home/arab/public_html/vb/includes/class_core.php on line 273

MySQL Error  : 
Error Number : 
Date         : Wednesday, March 7th 2007 @ 12:31:13 PM
Script       : http://www./vb/
Referrer     : http://www.info/
IP Address   : ______
Username     : 
Classname    : vb_database

Database error in vBulletin :

Invalid SQL:

SELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache','usergroupcache','stylecache','languagecache','products','pluginlist','cron','profilefield');

MySQL Error  : Can't find file: './arab_arab/datastore.frm' (errno: 13)
Error Number : 1017
Date         : Thursday, March 8th 2007 @ 01:16:04 PM
Script       : http://adc-arab.info/vb/archive/index.php?t-1680.html
Referrer     : 
IP Address   : 66.249.66.161
Username     : 
Classname    : vb_database

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (11)
/home/arab/public_html/vb/includes/class_core.php on line 273

MySQL Error  : 
Error Number : 
Date         : Thursday, March 8th 2007 @ 02:38:35 PM
Script       : http://adc-arab.info/vb/search.php?do=finduser&u=3716
Referrer     : http://adc-arab.info/vb/member.php?u=3716
IP Address   : 85.31.70.194
Username     : 
Classname    : vb_database