cant not use the forum send mail

[cihangir]

it was a bad day for me . got 3 mysql errors and users can not send emails using the form mail of vbulletin.

for example when i use http://www.zoque.com/vbulletin/membe...form&userid=10 for sending an email, the user gets only a link and the message is not showed:

to email this user:
http://www.zoque.com/vbulletin/membe...ction=mailform

and these are the errors which i get:

Database error in vBulletin: Invalid SQL: SELECT title,template
FROM template
WHERE title='error_invalidid' OR title='error_nopermission' OR title=''
OR title='forumrules' OR title='error_forumclosed' OR title='showthread_numpages'
OR title='postbit_useremail' OR title='icq' OR title='aim' OR title='yahoo'
OR title='postbit_homepage' OR title='postbit_profile' OR title='postbit'
OR title='firstunread' OR title='showthread_nextnewestthread'
OR title='showthread_nextoldestthread' OR title=''
OR title='' OR title='showthread'
mysql error: File './forum/template.ISD' not found (Errcode: 24)
mysql error number: 1105
Date: Monday 19th of March 2001 09:51:21 AM
Script:
Referer: http://www.zoque.com/vbulletin/search.php3?getdaily=yes

Database error in vBulletin: Invalid SQL: UPDATE user SET lastactivity=985016669 WHERE userid=560
mysql error: File './forum/user.ISD' not found (Errcode: 24)
mysql error number: 1105
Date: Monday 19th of March 2001 09:44:30 AM
Script:
Referer: http://www.zoque.com/vbulletin/

Database error in vBulletin: Invalid SQL: UPDATE user SET lastactivity=985016561 WHERE userid=334
mysql error: Can't open file: 'user.ISM'. (errno: 24)
mysql error number: 1016
Date: Monday 19th of March 2001 09:42:42 AM
Script:
Referer: http://www.zoque.com/vbulletin/forum...hp3?forumid=13

would be very thankful for any kind of help or suggestion .

[cihangir]

it works again. i hope that these database errors are so not important?