title: SQL Error: 1191 - Can't find FULLTEXT index matching the column list
body: <p>I'm trying to solve this error :</p>
  
  <blockquote>
    <p>1191 - Can't find FULLTEXT index matching the column list</p>
  </blockquote>
  
  <p>Query:</p>
  
  <pre><code>SELECT t.*, t.username AS threadusername, u.username, 
  MATCH (t.subject) AGAINST ('test123 test') AS relevance 
  FROM 123test_threads t
  LEFT JOIN 123test_users u ON (u.uid = t.uid) 
  WHERE t.fid='2' AND t.tid!='4' AND t.visible='1' AND t.closed NOT LIKE 'moved|%' 
  AND MATCH (t.subject) AGAINST ('test123 test') &gt;= '2' 
  ORDER BY t.lastpost DESC LIMIT 0, 5 
  </code></pre>
  
  <p>whene i try to create a new thread in my multiforums website.</p>