nullerror for new combo mulligan and Defaultcs

[hkhk132]

uh don't know whats going on here, tried to copy guide from secret paladin rank 5 thread. but error keeps coming since i followed every step.
the thread person isnt active anymore. did i do anything wrong?
View attachment Hearthbuddy 3652 2016-06-13 01.31.txt

 

[Tony]

your edits are failing,use default settings or contact the author plz