nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqe2z26rv2fk5f9k8ex3xtu6whu5425u7dvn4ju40xr4hfve5q83uqwdjydu (nprofile…jydu) 0 is an impossible ID, that indicates there was an error.
Try calling SDL_GetMice() then iterating the array of SDL_MouseID calling SDL_GetMouseNameForID for each, should give you a list of valid devices, if not it's not even detecting that your device is a mouse!