I had this error when uploading an image from local:
WordPress database error: [Field 'free_html' doesn't have a default value]
INSERT INTO <code>wp_bannerize</code> (<code>banner_type</code>,<code>group</code>,<code>description</code>,<code>use_description</code>,<code>url</code>,<code>filename</code>,<code>target</code>,<code>nofollow</code>,<code>mime</code>,<code>realpath</code>,<code>width</code>,<code>height</code>,<code>start_date</code>,<code>end_date</code>,<code>maximpressions</code>) VALUES ('1','group','','0','http://www.lalunademadrid.es/','http://localhost:8082/asociacionlara/wp-content/uploads/2011/10/la-luna-de-madrid1.jpg','_blank','1','image/jpeg','C:\\Inetpub2\\wwwroot\\asociacionlara/wp-content/uploads/2011/10/la-luna-de-madrid1.jpg','252','200','0000-00-00 00:00:00','0000-00-00 00:00:00','0')