Debug
TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundExceptionprototypeobject
   message => protected'Object of type Dia\DiaHuebner\Domain\Model\Product with identity "161" not f
      ound.
' (81 chars) code => protected1297933823 (integer) file => protected'/var/www/vhosts/huebner-giessen.com/huebner-giessen.com/vendor/typo3/cms/typ
      o3/sysext/extbase/Classes/Property/TypeConverter/PersistentObjectConverter.p
      hp
' (154 chars) line => protected226 (integer)