Buyer wants to back out of contract right before closing.

[Sol Silverstein]

Hi everyone. looking for advise, i am in contract to sell a multifamily property in upstate NY (Albany/Troy NY area). the buyer wants to back out right before closing after months of pushing up closing time.... he got already a clear to close from his lander but for whatever reason he decided he wants to back out of the contract. there is no contingency to the contract.  Any advise would ba appreciated