I would contact manufacturer asap.
From what I read on another post Fluval/Hagen won't replace it. Reading thier limited warranty information, I also don't believe they will cover it.
"2 YEAR LIMITED WARRANTY
Your Fluval Edge aquarium is guaranteed for two years from the date of purchase provided that
the following conditions are met. Your aquarium must be placed on a surface that is flat and
levelled and able to withstand the weight of the aquarium when filled with water, gravel etc...
Never lift or move the aquarium when it contains water. This guarantee covers leakages arising
from either faulty materials or workmanship but excludes aquarium breakage due to misuse,
Chips, stress cracks caused by improper support or other breakage. If at some time in the future
you have cause to claim under this guarantee, you will need to provide proof and date of
purchase. We recommend that you retain your receipt for this purpose. This guarantee does not
affect your statutory rights. Rolf C. Hagen wishes you many hours of enjoyment with your
Fluval aquarium. Your Fluval Edge aquarium is guaranteed for two years from the date of
purchase provided that the following conditions are met. Your aquarium must be placed on a
surface that is flat and levelled and able to withstand the weight of the aquarium when filled with
water, gravel etc... Never lift or move the aquarium when it contains water. This guarantee
covers leakages arising from either faulty materials or workmanship but excludes aquarium
breakage due to misuse, Chips, stress cracks caused by improper support or other breakage. If at
some time in the future you have cause to claim under this guarantee, you will need to provide
proof and date of purchase. We recommend that you retain your receipt for this purpose. This
guarantee does not affect your statutory rights. Rolf C. Hagen wishes you many hours of
enjoyment with your Fluval aquarium."