Getting a 500 error with searchkick.

Business Model

class Business < ActiveRecord::Base
  searchkick

  def search_data
    {
      service_name: services.map(&:name),
      service_description: services.map(&:description)
    }
  end
end

Controller

@biz = Business.search(params[:q])

Error

Tire::Search::SearchRequestFailed

500 : {"error":"SearchPhaseExecutionException[Failed to execute phase [query], total failure; shardFailures {[c0-iGUE8TBe8xjCZuFH3tA][businesses_development_20131103141603187][4]: SearchParseException[[businesses_development_20131103141603187][4]: from[-1],size[-1]: Parse Failure [Failed to parse source [{\"query\":{\"dis_max\":{\"queries\":[{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search2\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search2\"}}]}},\"size\":100000,\"from\":0,\"fields\":[]}]]]; nested: IllegalArgumentException[minimumSimilarity >= 1]; }{[c0-iGUE8TBe8xjCZuFH3tA][businesses_development_20131103141603187][2]: SearchParseException[[businesses_development_20131103141603187][2]: from[-1],size[-1]: Parse Failure [Failed to parse source [{\"query\":{\"dis_max\":{\"queries\":[{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search2\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search2\"}}]}},\"size\":100000,\"from\":0,\"fields\":[]}]]]; nested: IllegalArgumentException[minimumSimilarity >= 1]; }{[c0-iGUE8TBe8xjCZuFH3tA][businesses_development_20131103141603187][1]: SearchParseException[[businesses_development_20131103141603187][1]: from[-1],size[-1]: Parse Failure [Failed to parse source [{\"query\":{\"dis_max\":{\"queries\":[{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"boost\":10,\"analyzer\":\"searchkick_search2\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search\"}},{\"multi_match\":{\"fields\":[\"_all\"],\"query\":\"men\",\"use_dis_max\":false,\"operator\":\"and\",\"fuzziness\":1,\"max_expansions\":3,\"analyzer\":\"searchkick_search2\"}}]}},\"size\":100000,\"from\":0,\"fields\":[]}]]]; nested: IllegalArgumentException[minimumSimilarity >= 1]; }]","status":500}