I have a good condition Nikon d3300 that randomly started giving me the error "This Card is Not Formatted". Then when I try to format, it says "the option is not available in current settings or in the cameras current state". I checked and the card is not manually locked. No damage has happened that I am aware of. Please help! I have wedding photos from my daughters wedding on this card!
It sounds like some communication or compatibility problem with the card. I would try accessing your photos by putting the card in an external card reader on a computer. The card readers are not expensive. https://www.amazon.com/s?k=sd+card+reader