Ideally, the only thing that goes wrong is that your flowers wilt but it is best to accept that things can and will go wrong. The best approach for a destination wedding is to not micromanage but trust the professionals you have hired and the hotel staff. It will allow you to feel as if you are at a party in your honour, rather than merely being the exhausted host.
Organising a destination wedding in Sri Lanka seem like a demanding task but forward planning and hiring professionals on the ground will help you have the wedding reception of your dreams!