What happens when you try this?

$model = Model::create([
  'foo' => 'bar',
  
  // ...etc...
]);

dd($model);

object(User)#168 (21) { ["primaryKey":protected]=> string(2) "PK" ["dates":protected]=> array(1) { [0]=> string(10) "deleted_at" } ["fillable":protected]=> array(3) { [0]=> string(12) "CREATE_KEY" [1]=> string(12) "CREATED_BY" [2]=> string(12) "UPDATED_BY" } ["hidden":protected]=> array(2) { [0]=> string(8) "password" [1]=> string(14) "remember_token" } ["connection":protected]=> NULL ["table":protected]=> string(6) "user" ["perPage":protected]=> int(15) ["incrementing"]=> bool(true) ["timestamps"]=> bool(true) ["attributes":protected]=> array(3) { ["UPDATED"]=> string(19) "2014-09-07 11:37:06" ["CREATED"]=> string(19) "2014-09-07 11:37:06" ["PK"]=> int(14) } ["original":protected]=> array(3) { ["UPDATED"]=> string(19) "2014-09-07 11:37:06" ["CREATED"]=> string(19) "2014-09-07 11:37:06" ["PK"]=> int(14) } ["relations":protected]=> array(0) { } ["visible":protected]=> array(0) { } ["appends":protected]=> array(0) { } ["guarded":protected]=> array(1) { [0]=> string(1) "*" } ["touches":protected]=> array(0) { } ["observables":protected]=> array(0) { } ["with":protected]=> array(0) { } ["morphClass":protected]=> NULL ["exists"]=> bool(true) ["forceDeleting":protected]=> bool(false) }

Would be really grateful if the source of the problem can be found...