Player.nfp and AdditionalOptions.aop

Every time I change my map bans in ranked queue, I get a notification that there is insufficient space to write the file Player.nfp and every time I try to change from 1v1 to teamgames, I get a notification that there’s insufficient space to write the file AdditionalOptions.aop and that I have to delete some files to create space. Both are really small files (<10kB) and I’ve deleted over 3gB of space, but I still get the notifications. As a result, I have to reset my maps and gamesize in ranked everytime I open the game. Does anybody know how to solve this issue?