NoReverseMatch at /reservations/user/21/delete

@login_required
def edit_user_reservation(request, pk):
“”"
This view allows the user to edit reservations.
“”"
reservation = Reservation.objects.get(id=pk)
form = ReservationForm(instance=reservation)

if request.method == 'POST': 
    form = ReservationForm(
        request.POST, request.FILES,
        instance=reservation
        )
    if form.is_valid():
        form.save()
        messages.success(request, 'Reservation Updated.')
        return redirect('user_reservation')

context = {'form': form}
return render(request, 'restaurant/edit_reservation.html', context)

You’ll need to provide the complete error message, and likely, the template being rendered.