Juliáns Iturra

try with "whereHas()" Example: $users = User::role('DJ')->with('events')->whereHas('...

nullable() allows the attribute to be null, with default() the attribute will take the default value...

try this in migration file $table->string('comment',512)->default('No Tag')->nullable();

Verifica en el modelo que el atributo esté como protected $dates = ['fechacrea'] de esa forma lo pue...

What is the value of $vestiging->rekenplichtige? the sintax is fine (IMO), just for test $vestigi...