Cloudfront invalidation failure

gistfile1.txt

/Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/simple-cloudfront-invalidator-1.0.0/lib/simple-cloudfront-invalidator.rb:57:in `sign_and_call': AWS API call failed. Reason: (RuntimeError)
<?xml version="1.0"?>
<ErrorResponse xmlns="http://cloudfront.amazonaws.com/doc/2012-05-05/"><Error><Type>Sender</Type><Code>InvalidArgument</Code><Message>Your request contains one or more invalid invalidation paths.</Message></Error><RequestId>22820705-e358-11e2-97fe-ff4fd86f3f1f</RequestId></ErrorResponse>
  from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/simple-cloudfront-invalidator-1.0.0/lib/simple-cloudfront-invalidator.rb:30:in `invalidate'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/s3_website-1.0.0/lib/cloudfront/invalidator.rb:14:in `invalidate'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/s3_website-1.0.0/lib/s3_website/tasks.rb:36:in `invalidate_cf_dist_if_configured'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/s3_website-1.0.0/lib/s3_website/tasks.rb:10:in `push'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/s3_website-1.0.0/bin/s3_website:46:in `push'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/thor-0.18.1/lib/thor.rb:363:in `dispatch'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/thor-0.18.1/lib/thor/base.rb:439:in `start'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/lib/ruby/gems/1.9.1/gems/s3_website-1.0.0/bin/s3_website:53:in `<top (required)>'
	from /Users/sudonim/.rbenv/versions/1.9.3-p194-perf/bin/s3_website:23:in `load'