I'm already working on a fork of yuzu I will post the link here when the first fork is ready I plan on fixing the texture issues first but I'm not nearly as experienced as the devs were but Im a full stack dev and made my own nds emulator so this should not be that hard
This seems to happen when the .CIA that you download is corrupted as usually downloading it from a different source seems to solve this problem I first experienced this error on my 3ds xl trying to Play Mario and Sonic at the 2016 Olympic games the game would work fine until I selected story...
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi