wip

app/Filament/Resources/Projektes/RelationManagers/ProjektObjekteImDetailRelationManager.php

@@ -188,7 +188,10 @@ class ProjektObjekteImDetailRelationManager extends RelationManager
             ->recordActions([
                 EditAction::make()->iconButton()
                     ->mutateDataUsing(function ($data, $record): array {
-                        $data['nutzwert'] = round($record->methode->faktor * $data['flaeche']);
+
+                        if (isset($record->methode->faktor)) {
+                            $data['nutzwert'] = round($record->methode->faktor * $data['flaeche']);
+                        }
 
                         return $data;
                     })->after(function (Component $livewire) {