You have been dealing with a number of siblings regarding the Deceased Estate Auction of their family home. Despite your many attempts to receive it beforehand, the reserve letter has only arrived on the Saturday morning of the Auction. However, it is signed by a family member who is not one of the Executors of the Estate. You have been unable to contact the Executors (not attending the auction) nor their solicitor. The Auctioneer is ready to start the Auction. What do you do and why