Xin giúp Database error

[ypmv2]

Không hiểu vì sao diễn đàn mình khi member download file đính kèm thì báo lỗi database, kèm nội dung gửi vào mail như sau:

Database error in vBulletin 4.1.0:

Invalid SQL:

                                        UPDATE session
                                        SET lastactivity = 1299670800, location = '/attachment.php?attachmentid=418&d=1293382061',  inforum = 0, inthread = 0, badlocation = 0, useragent = 'Mozilla/4.0  (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727;  .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.1)'
                                        WHERE sessionhash = '60be4fca49dbe20adb9ebbd5ed6dd772';

MySQL Error   : MySQL server has gone away
Error Number  : 2006

Request Date  : Wednesday, March 9th 2011 @ 06:40:00 PM
Error Date    : Wednesday, March 9th 2011 @ 06:40:18 PM

rồi lại là:

  SELECT text, languageid, special
                        FROM phrase AS phrase
                        LEFT JOIN phrasetype USING (fieldname)
                        WHERE phrase.fieldname = 'frontredirect'
                                AND varname = 'lostpw' AND languageid IN (-1, 0, 3);

MySQL Error   : MySQL server has gone away
Error Number  : 2006
Request Date  : Wednesday, March 9th 2011 @ 03:41:25 PM
Error Date    : Wednesday, March 9th 2011 @ 03:41:38 PM

tiếp theo là:

Invalid SQL:

                        SELECT text, languageid, special
                        FROM phrase AS phrase
                        LEFT JOIN phrasetype USING (fieldname)
                        WHERE phrase.fieldname = 'error'
                                AND varname = 'resetpw' AND languageid IN (-1, 0, 3);

MySQL Error   : MySQL server has gone away
Error Number  : 2006

Request Date  : Wednesday, March 9th 2011 @ 06:13:52 PM
Error Date    : Wednesday, March 9th 2011 @ 06:14:02 PM

Xin hỏi đây là lỗi sever không? mình tìm trên google thì nó nói là lỗi sever không hỗ trợ, đây là thông tin sever mà mình thuê host:

Processor NameIntel(R) Xeon(R) CPU           E5506  @ 2.13GHz 
Vendor IDGenuineIntel Processor Speed (MHz)1600.000 
Processor NameIntel(R) Xeon(R) CPU           E5506  @ 2.13GHz 
Vendor IDGenuineIntel Processor Speed (MHz)1600.000 
Processor NameIntel(R) Xeon(R) CPU           E5506  @ 2.13GHz 
Vendor IDGenuineIntel Processor Speed (MHz)1600.000 
Processor NameIntel(R) Xeon(R) CPU           E5506  @ 2.13GHz 
Vendor IDGenuineIntel Processor Speed (MHz)2133.000 
Total Memory12290580 kB Free Memory718800 kB 
Total Swap Memory10482372 kB 
Free Swap Memory10482184 kB 
System Uptime45 Days, 8 Hours and 12 Minutes 
Apache 2.2.17Running 
DirectAdmin 1.37.0 Running 
Exim 4.72Running MySQL 5.1.54
Running Named 9.3.6
Running ProFTPd 1.3.3c Running 
sshd Running 
dovecot 2.0.9 Running 
Php 5.2.17Installed

[admin]

Có thể do phần MYSQL của server có vấn đề rồi, bạn liên với admin server để khắc phục nhé