Access denied for user 'root'@'localhost' (using password: NO)

11155 (-- --) November 21, 2010, 2:28pm 1

I am getting this message when click in "About your application environment"

Topic		Replies	Views
error: 'Access denied for user 'root'@'localhost' <using password: NO>' rubyonrails-talk	0	168	April 3, 2011
Access denied for user 'root'@'localhost' using password rubyonrails-talk	0	129	December 14, 2006
Access denied for user 'root'@'localhost' rubyonrails-talk	1	142	December 19, 2007
Access denied rubyonrails-talk	1	136	August 22, 2008
Access denied for user 'root'@'localhost' (using password: NO) rubyonrails-talk	5	1045	April 18, 2012