@forelse ($activity->studyPlans as $plan)
@if (!old('invoice'))
@endif
@empty
@forelse (old('invoice') ?? [] as $old)
@empty
@endforelse
@endforelse
@if (count($activity->studyPlans) != 0)
@forelse (old('invoice') ?? [] as $old)
@empty
@endforelse
@endif