Advice: Post the model number, year and then read forum posting and post a picture.
My though is that it's not practical as it could involve a complete tear down of the refer and you may not be able to find replacement panels. Perhaps a new/used refer. There are likely many ways to support the shelves maybe even with them adjustable. But just a WAG.
2009 Holiday Rambler 42' Scepter with ISL 400 Cummins
750 Watts Solar Morningstar MPPT 60 Controller
2014 Grand Cherokee Overland
Bob