Query Error: select * from pw_newsphoto where class=31 or class=32 or class=34 or class=37 or class=38 or class=39 order by rand() limit 4

The URL Is:
http://www.chinesetown.co.nz/news_html.php?aid=704195

MySQL Server Error:
Incorrect key file for table '/www/server/mysql/tmp/#sql_736_0.MYI'; try to repair it ( 126 )

You Can Get Help In:
http://www.Chinesetown.co.nz