I updated the wpscan to v2.0rNA, comes the error
How to fix it?Code:[ERROR] no marshal_dump is defined for class Proc Trace : /pentest/web/wpscan/lib/cache_file_store.rb:61:in `dump' /pentest/web/wpscan/lib/cache_file_store.rb:61:in `block in write_entry' /pentest/web/wpscan/lib/cache_file_store.rb:60:in `open' /pentest/web/wpscan/lib/cache_file_store.rb:60:in `write_entry' /pentest/web/wpscan/lib/browser.rb:116:in `block in setup_cache_handlers' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/hydra.rb:214:in `call' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/hydra.rb:214:in `handle_request' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/hydra.rb:187:in `block in get_easy_object' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/easy.rb:332:in `call' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/easy.rb:332:in `failure' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/multi.rb:21:in `multi_perform' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/multi.rb:21:in `perform' /root/.gem/ruby/1.9.2/gems/typhoeus-0.2.4/lib/typhoeus/hydra.rb:95:in `run' /pentest/web/wpscan/lib/wpscan/modules/wp_config_backup.rb:43:in `config_backup' wpscan.rb:130:in `<main>'


