Base table or view not found: 1146 Table 'team.chatroom_online_list' doesn't exist

In chatroom.chatroom.inc line 284

      $result = db_select('chatroom_online_list')

and also line 315

    $sql = "UPDATE {chatroom_online_list}

The query referenced a table that isn't in .install file, so there's no way for this table to be created.