Exception occurred when found 0 results

[hrchu]

root@es# stash-query -s 2013-12-01T00:00:00.000Z -e 2013-12-02T00:00:00.000Z -t my_tag -q 'message:hello_world' -w /tmp/my_query.txt
Found 0 results
/var/lib/gems/1.9.1/gems/progress_bar-1.0.3/lib/progress_bar.rb:18:in `initialize': Max must be a positive integer (ProgressBar::ArgumentError)
        from /var/lib/gems/1.9.1/gems/stash-query-0.1.3/lib/stash-query/query.rb:223:in `new'
        from /var/lib/gems/1.9.1/gems/stash-query-0.1.3/lib/stash-query/query.rb:223:in `run_query'
        from /var/lib/gems/1.9.1/gems/stash-query-0.1.3/lib/stash-query/query.rb:66:in `initialize'
        from /var/lib/gems/1.9.1/gems/stash-query-0.1.3/bin/stash-query:71:in `new'
        from /var/lib/gems/1.9.1/gems/stash-query-0.1.3/bin/stash-query:71:in `<top (required)>'
        from /usr/local/bin/stash-query:23:in `load'
        from /usr/local/bin/stash-query:23:in `<main>'