Older SD cards suffered from deterioration, temperature sensitivity, moisture sensitivity, power spikes, power failure, and "simple" internal failure. Solutions include:

SD Monitoring software - It will check an SD, warn if there may be damage and can (sometimes) fix that damage. There are companies out there that will do the same thing if you send them the damaged card.

https://product.tdk.com/info/en/prod.../tdksmart.html One of several.

Shift to 'industrial' SD cards.

https://www.amazon.com/SanDisk-Endur.../dp/B00V5Q1K3O One of many options.

Peter Wieck
Melrose Park, PA