11x ...ns/ProfessionShoppingList/ProfessionShoppingList.lua:512: bad argument #1 to 'gsub' (string expected, got nil)
[string "=[C]"]: in function gsub' [string "@ProfessionShoppingList/ProfessionShoppingList.lua"]:512: in function pslTrackRecipe'
[string "@ProfessionShoppingList/ProfessionShoppingList.lua"]:584: in function <...ns/ProfessionShoppingList/ProfessionShoppingList.lua:583>

Locals:
(*temporary) = nil
(*temporary) = " |A:Professions%-ChatIcon%-Quality%-Tier1:17:15::1|a"
(*temporary) = ""
(*temporary) = "string expected, got nil"

Have you tried using /psl clear yet?
Are you using the latest public release, or the latest Github version?
And what were you trying to track exactly (which Tailoring recipe(s)) and how (the crafting window button, crafting order button, slash command, shift+clicking)?

I surmised from my own changes that you were on the Git version and I also realised the issue. I just forgot how to write code and tried to refer to a local variable outside of its environment. It's fixed now! :)

I apologize I completely forgot about opening this issue. But thank you!!!!