id)->delete(); $raeumealles = Raeumealle::select('top_nummer')->where('projekte_id', $record->id)->groupBy('top_nummer')->get(); foreach ($raeumealles as $raeumealle) { OrientierungZuAbschlaege::firstOrCreate([ 'projekte_id' => $record->id, 'top_nummer' => $raeumealle->top_nummer, ]); } } }