I set my LG Stylo to lock...now when I go to change it to no lock or swipe it is greyed out

[AC Question]

Need some help fixing!!! I had this problem with my old LG phone and removing credentials always worked but not this time

 

[Almeuit]

Go to settings > apps > and find the "Settings" app within the list. Clear the data for it and this should fix the issue.