no implicit conversion of String into Integer

[yegor256]

TypeError: no implicit conversion of String into Integer
/Users/yegor/.rvm/gems/ruby-2.6.0/gems/proxifier-1.0.3/lib/proxifier/proxies/socks.rb:48:in `pack'
/Users/yegor/.rvm/gems/ruby-2.6.0/gems/proxifier-1.0.3/lib/proxifier/proxies/socks.rb:48:in `connect'
/Users/yegor/.rvm/gems/ruby-2.6.0/gems/proxifier-1.0.3/lib/proxifier/proxies/socks.rb:11:in `do_proxify'
/Users/yegor/.rvm/gems/ruby-2.6.0/gems/proxifier-1.0.3/lib/proxifier/proxy.rb:43:in `proxify'
/Users/yegor/.rvm/gems/ruby-2.6.0/gems/proxifier-1.0.3/lib/proxifier/proxy.rb:29:in `open'

Would be great to have a more meaningful exception message here.