I was having this problem, but it was fine after reloading the cache. To do this, press the home button while in Wiiflow, a menu should pop up with one of the buttons labeled as "Reload Cache". Hope this helps!
I am trying to hack Fire Emblem Warriors on my 2DS XL, I have been trying to get it to work, but I need some extra help figuring it out. I have HEX codes, and a possibly outdated plugin, but I dont know how to implement them