Cannot read properties of null (reading 'allowRecurse') - laravel

Question

I have a problem with Laravel/Inertia which gets me the error message :
Cannot read properties of null (reading 'allowRecurse')
There is a form, i post the form to a controller and after saving the data i tried to redirect to the main page. I tried several ways, return Redirect::route('home'); or return redirect()->back(); even other ways i found searching for a solution. They all give me the same error message.
The redirect()->back() function works and brings me back to my form, but when i try to redirect there i get that same message.
I deleted everything of what i think is not essential, so the form and controller now don't do anything anymore, but still i get that error message.
I can't find anything about this error on the internet. What mistake am I overlooking?
Edit: I found something... Somewhere in page that i am going to (that home.vue page) i have a link with the same URL as where i came from. Apparently Vue or Laravel doesn't approve. But i need that. Can i set the value of AllowRecurse to True somewhere? Or is that a bad idea?
My vue-file:
<template>
<div>
<form #submit.prevent="submit">
<div class="flex justify-center mt-4">
<app-button class="w-1/2 justify-center" :class="{ 'opacity-25': form.processing }" :disabled="form.processing">
Insturen
</app-button>
</div>
</form>
</div>
</template>
<script>
import AppButton from '#/Components/Button.vue'
export default {
components: {
AppButton,
},
props: {
game_id: String,
code: String,
},
data() {
return {
form: this.$inertia.form({
name: '',
email: '',
})
}
},
setup() {
},
methods: {
submit() {
this.form.post(route('toto_store',{'game_id': this.game_id, 'code': this.code}), {
preserveScroll: true,
resetOnSuccess: false,
onSuccess: () => { this.$inertia.visit(route('home'))} ,
});
}
}
}
</script>
My controller:
namespace App\Http\Controllers;
use Inertia\Inertia;
use App\Models\Guess;
use Illuminate\Http\Request;
class TotoController extends Controller
{
public function store(Request $request, $id, $code)
{
return redirect()->back()->with("success", "Opgeslagen");
}
}
My webroutes:
Route::get('/', [HomeController::class, 'show'])->name('home');
Route::get('/guesses/{game_id?}', [GuessController::class, 'index'])->name('guesses');
Route::get('/toto/{game_id}/{code}', [TotoController::class, 'create'])->name('toto_create');
Route::post('/toto/{game_id}/{code}', [TotoController::class, 'store'])->name('toto_store');
Route::get('/qr-code/{id}', [QRController::class, 'show'])->name('qr-code');
The error:
Any ideas?