Found an easier fix! (Posting this for people that may have the same problem in the future)
-Close UEFN and Fortnite
-Go to C**:\Users*your pc username here*\AppData\Local\UnrealEditorFortnite\Saved** and delete the config folder
-Open UEFN again and everything should be back to normal
NOTE THAT ALL YOUR SETTINGS WILL BE REVERTED BACK TO THE DEFAULT