ORM Error in 3.09

I'm receiving the following error when I try deleting an album, has anyone else seen this or know a fix?

ORM_Validation_Exception [ Database Error ]:
ORM Validation has failed for items model
SYSPATH/libraries/ORM_Validation_Exception.php[ 20 ]

15 * @param Validation $array
16 * @return
17 */
18 public static function handle_validation($table, Validation $array)
19 {
20 $exception = new ORM_Validation_Exception('ORM Validation has failed for :table model',array(':table'=>$table));
21 $exception->validation = $array;
22 throw $exception;
23 }
24} // End ORM_Validation_Exception
SYSPATH/libraries/ORM.php[ 755 ] » ORM_Validation_Exception_Core::handle_validation( arguments )

MODPATH/gallery/models/item.php[ 887 ] » ORM_Core->validate( arguments )

SYSPATH/libraries/ORM.php[ 778 ] » Item_Model_Core->validate()

MODPATH/gallery/libraries/MY_ORM.php[ 34 ] » ORM_Core->save()

MODPATH/gallery/libraries/ORM_MPTT.php[ 79 ] » ORM->save()

MODPATH/gallery/models/item.php[ 457 ] » ORM_MPTT_Core->save()

MODPATH/gallery/helpers/item.php[ 83 ] » Item_Model_Core->save()

MODPATH/gallery/helpers/item.php[ 90 ] » item_Core::make_album_cover( arguments )

MODPATH/gallery/helpers/gallery_event.php[ 194 ] » item_Core::make_album_cover( arguments )

MODPATH/gallery/helpers/module.php[ 399 ] » gallery_event_Core::batch_complete()

MODPATH/gallery/helpers/batch.php[ 33 ] » module_Core::event( arguments )

MODPATH/gallery/controllers/quick.php[ 105 ] » batch_Core::stop()

{PHP internal call} » Quick_Controller->delete( arguments )

SYSPATH/core/Kohana.php[ 331 ] » ReflectionMethod->invokeArgs( arguments )

{PHP internal call} » Kohana_Core::instance( arguments )

SYSPATH/core/Event.php[ 208 ] » call_user_func_array( arguments )

APPPATH/Bootstrap.php[ 81 ] » Event_Core::run( arguments )

DOCROOT/index.php[ 120 ] » require( arguments )