require not working

[robdoug]

If try to require 'rubygems' or another gem in pokerbot.rb I'm getting following error:

rh_init();
Unhandled Ruby exception occured in rh_process_event
no such file to load -- rubygems (LoadError)
Z:/poker/OpenHoldem_2.1.9.3/pokerbot.rb:1:in require' Z:/poker/OpenHoldem_2.1.9.3/pokerbot.rb:1 Z:/poker/OpenHoldem_2.1.9.3/rubyholdem.rb:54:inload'
Z:/poker/OpenHoldem_2.1.9.3/rubyholdem.rb:54:in load_pokerbot' Z:/poker/OpenHoldem_2.1.9.3/rubyholdem.rb:42:inprocess_event'
pfgws received