(DB::SQLError) ERROR:  duplicate key violates unique constraint "comment_captchas_pkey"
 at /usr/local/ruby/lib/ruby/site_ruby/1.8/DBD/Pg/Pg.rb:643:in `execute'<br>
/usr/local/ruby/lib/ruby/site_ruby/1.8/dbi/dbi.rb:1052:in `execute'<br>
/usr/local/ruby/lib/ruby/site_ruby/1.8/dbi/dbi.rb:1057:in `do'<br>
/usr/local/ruby/lib/ruby/site_ruby/1.8/dbi/dbi.rb:659:in `do'<br>
/home/blogware/code/framework-ruby/lib/db/row.rb:449:in `save'<br>
/home/blogware/code/rblog/lib/rblog.rb:1389:in `new_captcha'<br>
/home/blogware/code/rblog/lib/rblog/cgi/blogs.rb:2609:in `view_article'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:216:in `send'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:216:in `handle_request'<br>
/home/blogware/code/rblog/lib/rblog/cgi/blogs.rb:372:in `handle_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:51:in `handle_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:49:in `catch'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:49:in `handle_request'<br>
/home/blogware/code/rblog/blogs/index.cgi:55<br>
/home/blogware/code/rblog/blogs/index.cgi:39:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:57:in `each_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/fast.rb:131:in `loop'<br>
/home/blogware/code/framework-ruby/lib/cgi/fast.rb:131:in `each_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:57:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:52:in `call'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:328:in `fork_child'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:323:in `fork'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:323:in `fork_child'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:238:in `tend_children'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:236:in `upto'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:236:in `tend_children'<br>
/home/blogware/code/framework-ruby/lib/server/forkingserver.rb:117:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:52:in `run'<br>
/home/blogware/code/rblog/blogs/index.cgi:39<br>
/home/blogware/code/rblog/lib/rblog.rb:1389:in `new_captcha'<br>
/home/blogware/code/rblog/lib/rblog/cgi/blogs.rb:2609:in `view_article'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:216:in `send'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:216:in `handle_request'<br>
/home/blogware/code/rblog/lib/rblog/cgi/blogs.rb:372:in `handle_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:51:in `handle_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:49:in `catch'<br>
/home/blogware/code/framework-ruby/lib/cgi/application.rb:49:in `handle_request'<br>
/home/blogware/code/rblog/blogs/index.cgi:55<br>
/home/blogware/code/rblog/blogs/index.cgi:39:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:57:in `each_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/fast.rb:131:in `loop'<br>
/home/blogware/code/framework-ruby/lib/cgi/fast.rb:131:in `each_request'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:57:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:52:in `call'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:328:in `fork_child'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:323:in `fork'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:323:in `fork_child'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:238:in `tend_children'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:236:in `upto'<br>
/home/blogware/code/framework-ruby/lib/forker.rb:236:in `tend_children'<br>
/home/blogware/code/framework-ruby/lib/server/forkingserver.rb:117:in `run'<br>
/home/blogware/code/framework-ruby/lib/cgi/fastcgi-forker.rb:52:in `run'<br>
/home/blogware/code/rblog/blogs/index.cgi:39