huh???? how do you even engineer things to go this wrong???? https://petapixel.com/2025/01/09/sandisk-sd-cards-corrupt-when-paired-with-the-r5-mark-ii-canon-warns/
@mavica_again you see when two manufacturers don't respect a specification very very much and their products get together, something unexplainable happens :P
like that's just such two specific pieces of hardware to combine together into a failure