MySQL Fatal Error

MySQL Error!
------------------------

The Error returned was:
Can't create/write to file '/tmp/#sql_54e4_0.MYI' (Errcode: 28)

Error Number:
1

SELECT id, title, date, category, alt_name, short_story, flag FROM el_post WHERE MATCH (title, short_story, full_story, xfields) AGAINST ('Supreme Pain - Divine Incarnation                    MTD Proudly Presents                    [Info]    Artist       : Supreme Pain    Album        : Divine Incarnation    Label        : Massacre Records    Genre        : Death Metal    Street Date  : 2011-05-27    Quality      : 268 kbps / 44.1kHz / Joint Stereo    Encoder      : Lame 3.98.4 -V0    Size         : 95.68 MB    Time         : 47:30 min    Url          : http://www.myspace.com/supremepainofficial    [Tracks]    1.  Dawn Of A New Era                                                  1:26    2.  The Dark Army                                                      3:59    3.  Damned Creation                                                    5:36    4.  Treasonous Disease                                                 5:47    5.  Trapped In Heresy                                                  6:27    6.  Spiritual Sickness                                                 4:27    7.  Divine Incarnation                                                 4:47    8.  Putrefied Beauty                                                   3:50    9.  The Fallen Kingdom                                                 4:53    10. Towards Hell                                                       6:18    [Notes]    3rd album by the Dutch Brutal Death Metal maniacs SUPREME PAIN feat. Adrie    Kloosterwaard (SINISTER) and Paul Beltman (ex-SINISTER)!Download') AND id != 34540 AND approve='1' AND date < '2013-05-18 21:13:13'ORDER BY RAND() LIMIT 5