REVVL 6 SD Card Troubleshooting

Hey there y'all, I have a 1.5tb SanDisk Ultra microSD with 900mb used that I use to store music on my REVVL 6. Recently my phone has been crashing and restarting, after which it says there is a problem with the SD Card, only giving me an option to format it (it's already formatted to FAT32). After putting the card into my PC, it says there are no issues and then I put it back into the phone and it suddenly starts working again. However, on this most recent incident, the card seemingly ran into an issue on the crash and restart and needed to get repaired on the PC. I did, and now the card is fully functional on the PC, but the phone still says there is an issue (giving the same notification mentioned above). Backing up the files, formatting the card, and moving them back will take dozens of hours so I would really appreciate any information at all about how to get the card functioning on the phone again. I can provide any other information necessary. This has been a recurring issue I've had with the REVVL line so any help at all would be a lifesaver.