TooManyRequests ItBit Error

RestClient::TooManyRequests - 429 Too Many Requests

/home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/abstract_response.rb:223:in exception_with_response' /home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/abstract_response.rb:103:in return!'
/home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/request.rb:809:in process_result' /home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/request.rb:725:in block in transmit'
/home/ubuntu/.rbenv/versions/2.4.1/lib/ruby/2.4.0/net/http.rb:877:in start' /home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/request.rb:715:in transmit'
/home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/request.rb:145:in execute' /home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/gems/rest-client-2.0.2/lib/restclient/request.rb:52:in execute'
/home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/bundler/gems/itbit-9fded75e50cf/lib/itbit/market.rb:46:in public_request' /home/ubuntu/apps/bitex-bot/shared/bundle/ruby/2.4.0/bundler/gems/itbit-9fded75e50cf/lib/itbit/market.rb:34:in trades'
/home/ubuntu/apps/bitex-bot/releases/20190312200858/lib/bitex_bot/models/api_wrappers/itbit/itbit_api_wrapper.rb:73:in transactions' /home/ubuntu/apps/bitex-bot/releases/20190312200858/lib/bitex_bot/robot.rb:181:in block in start_opening_flows_if_needed'
/home/ubuntu/apps/bitex-bot/releases/20190312200858/lib/bitex_bot/robot.rb:67:in with_cooldown' /home/ubuntu/apps/bitex-bot/releases/20190312200858/lib/bitex_bot/robot.rb:181:in start_opening_flows_if_needed'
/home/ubuntu/apps/bitex-bot/releases/20190312200858/lib/bitex_bot/robot.rb:87:in `trade!'