feeds problem

hi i am using wp 3.3.1 latest i have installed all in one webmaster and before some days there was problem in feeds so i installed rss feed fixer it worked for some days now i am again having trouble with it my site http://www.technomaina.org feed url http://technomaina.org/?feed=rss2 after problem in 2nd line now it says error on line 3 at column 6: XML declaration allowed only at the start of the document help me please