Unfortunately the error screen does not help towards fixing the problem. It could be a bad sector on the sd card or the card’s lock switch needs jiggling or the card is full or …
How about a side step to get you back to where you can edit the files?
1.) Download the free Fujfilm raw convertor: https://fujifilm-x.com/en-us/products/software/raw-file-converter-ex-powered-by-silkypix/
Copy the raw images to your computer. You can make the same changes, and then export the result as either jpeg or tiff files.
2.) Try the actual in-camera conversion. Select an image in playback mode. Others have posted fairly detailed explanations so I will just link to one: https://www.jmpeltier.com/fujifilm-in-camera-raw-converter/
Note: After selecting the image, you can either press the menu button or the q button to get to the in-camera conversion option. Additionally, this may give you a hint as to whether or not the sd card has troubles.
p.s. Welcome to the forum.