$t = new Track();
$tracks = Db::find('track');
Fatal error: Uncaught exception 'Db_DescriptorException' with message 'RapidDataMapper: Descriptor for class "track": Descriptor is missing.' in /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/application/libraries/Db.php:364 Stack trace: #0 /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/application/libraries/Db.php(397): Db::getDescriptor('track') #1 /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/application/libraries/Db.php(494): Db::getMapper('track') #2 /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/application/controllers/welcome.php(16): Db::find('track') #3 /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/codeigniter/CodeIgniter.php(236): Welcome->index() #4 /Applications/MAMP/htdocs/CodeIgniter_1.7.2/index.php(115): require_once('/Applications/M...') #5 {main} thrown in /Applications/MAMP/htdocs/CodeIgniter_1.7.2/system/application/libraries/Db.php on line 364