House dont saved when purchased

[Azerty]

Good morning, when I purchase a house and re-login I lose the house, I tried /save and it doesn't work, any solution?

CREATE TABLE `houses` (
  `id` int(11) NOT NULL,
  `owner` int(11) NOT NULL,
  `paid` int(10) UNSIGNED NOT NULL DEFAULT 0,
  `warnings` int(11) NOT NULL DEFAULT 0,
  `name` varchar(255) NOT NULL,
  `rent` int(11) NOT NULL DEFAULT 0,
  `town_id` int(11) NOT NULL DEFAULT 0,
  `bid` int(11) NOT NULL DEFAULT 0,
  `bid_end` int(11) NOT NULL DEFAULT 0,
  `last_bid` int(11) NOT NULL DEFAULT 0,
  `highest_bidder` int(11) NOT NULL DEFAULT 0,
  `size` int(11) NOT NULL DEFAULT 0,
  `beds` int(11) NOT NULL DEFAULT 0
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `house_lists` (
  `house_id` int(11) NOT NULL,
  `listid` int(11) NOT NULL,
  `list` text NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;