Inglés de una vez

Warning (512): SQL Error: 1364: Field 'user_id' doesn't have a default value [CORE/cake/libs/model/datasources/dbo_source.php, line 684]Code | Context            $out = null;
            if ($error) {
                trigger_error('<span style="color:Red;text-align:left"><b>' . __('SQL Error:', true) . "</b> {$this->error}</span>", E_USER_WARNING);
$sql	=	"INSERT INTO `cake_sessions` (`id`, `data`, `expires`) VALUES ('i7j0roabsmjmvj51mk81v97br2', 'Config|a:3:{s:9:\"userAgent\";s:32:\"bdaa7c832ae91ad34e935492d1a3f4ad\";s:4:\"time\";i:1787687217;s:7:\"timeout\";i:10;}', 1787687217)"
$error	=	"1364: Field 'user_id' doesn't have a default value"
$out	=	null
DboSource::showQuery() - CORE/cake/libs/model/datasources/dbo_source.php, line 684
DboSource::execute() - CORE/cake/libs/model/datasources/dbo_source.php, line 266
DboSource::create() - CORE/cake/libs/model/datasources/dbo_source.php, line 752
Model::save() - CORE/cake/libs/model/model.php, line 1342
CakeSession::__write() - CORE/cake/libs/cake_session.php, line 759
session_write_close - [internal], line ??
ConnectionManager::__destruct() - CORE/cake/libs/model/connection_manager.php, line 292
[main] - [internal], line ??

Query: INSERT INTO `cake_sessions` (`id`, `data`, `expires`) VALUES ('i7j0roabsmjmvj51mk81v97br2', 'Config|a:3:{s:9:\"userAgent\";s:32:\"bdaa7c832ae91ad34e935492d1a3f4ad\";s:4:\"time\";i:1787687217;s:7:\"timeout\";i:10;}', 1787687217)