Need Help, "You must select a variable "- Formula

[rich 0]

I had already selected a variable. But I just couldn't update it.

Thanks for any helps.

[Xfire]

@rich-0 Hi. you can use "Control" + "Print screen" keys for taking a screenshot for post.

please take a screenshot from your variable page

[l'andorrà]

Does it happen to this variable only? Try to delete it and create it again.