Databse Error

[creative-friend]

Hi Guys,

Am getting these database error since two days, i really dont understand why am i getting these......anyone recognise these??

Database error in vBulletin 4.2.1:

Invalid SQL:
SELECT
P.userid, COUNT(userid) AS times
FROM thread AS T
INNER JOIN post AS P ON T.lastpostid=P.postid
WHERE P.userid=920
GROUP BY P.userid
ORDER BY P.dateline DESC, P.userid;

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Wednesday, September 11th 2013 @ 01:11:17 PM
Error Date : Wednesday, September 11th 2013 @ 01:15:02 PM

.................................................. .......

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'> function.mysql-connect</a>]: User 'shahzeb_shahzeb' has exceeded the 'max_user_connections' resource (current value: 1)
/home/shahzeb/public_html/includes/class_core.php on line 317

MySQL Error :
Error Number :
Request Date : Wednesday, September 11th 2013 @ 01:31:47 PM
Error Date : Wednesday, September 11th 2013 @ 01:31:47 PM