Error Mysql vbulletin 3.8.4

[محروم.كوم]

There I failed Mysql that ko is a way to fix that before.

Quote:
Database error in vBulletin 3.8.4:

Invalid SQL:

SELECT userid* username* lastpost*posts
FROM user
ORDER BY username
LIMIT 0*318373;


MySQL Error : Error writing file '/tmp/MYBc0BQn' (Errcode: 28)
Error Number : 3
please just fix my problem __DEFINE_LIKE_SHARE__