It will make an acceptable reptile tank, but it's days of actually holding water are over. Although it could be repaired, it would require complete disassembly and replacement of the affected panels. If it's smaller than 90g or so it's not really worth the effort involved. If it's a larger tank, unless you have done something like this before it's not worth the risk of catastrophic failure and the huge amount of damage to your house that would ensue.
At least you know it's not tempered - the panels could be cut down and used as baffles in your next sump.