Fix

          if YEM::BATTLE_ENGINE::SKILL_COMMANDS[item][2] != nil
            if YEM::BATTLE_ENGINE::SKILL_COMMANDS[item][2][0] == "w" and actor.weapons.include?(YEM::BATTLE_ENGINE::SKILL_COMMANDS[item][2][1])
              valid = false
            elsif YEM::BATTLE_ENGINE::SKILL_COMMANDS[item][2][0] == "a" and actor.armors.include?(YEM::BATTLE_ENGINE::SKILL_COMMANDS[item][2][1])
              valid = false
            else
              valid = true
            end
          end