Using gpk file to repair a corrupt wav file

Thus is probably a long shot but I’ll give it a try.

I’m using Wavelab 6. I recorded an audio file about 2 hours long in wav format and as always Wavelab created a gpk file.

On trying to move the file to a different hard drive I lost power and the file was corrupted. The file still has most of its information. It’s length, bite rate but when I use Wavelab to open it doesn’t show the peaks of the file yet the file is almost 2gb big.

Am I able to use Wavelab to repair this file or restore it and its peaks some how. Any help will be greatly appreciated.