Just started after the latest update, all hearthstones are enabled:

1x RandomHearthToy/RandomHearthToy.lua:138: bad argument #1 to 'pairs' (table expected, got nil)
[string "=[C]"]: in function pairs' [string "@RandomHearthToy/RandomHearthToy.lua"]:138: in function removeUnwantedStones'
[string "@RandomHearthToy/RandomHearthToy.lua"]:154: in function <RandomHearthToy/RandomHearthToy.lua:147>
[string "@RandomHearthToy/RandomHearthToy.lua"]:260: in function <RandomHearthToy/RandomHearthToy.lua:256>
[string "@RandomHearthToy/RandomHearthToy.lua"]:131: in function <RandomHearthToy/RandomHearthToy.lua:121>

Locals:
(*temporary) = nil
(*temporary) = "table expected, got nil"
= defined =[C]:-1