Expression result must be of dimension 2 not 1

Question

Hello, looking for help on the error found in the title. Following a guide which i've linked below, so not sure how to resolve. Other threads similar to this have had custom solutions.

Tutorial: https://www.youtube.com/watch?v=qlKOWc81obU&ab_channel=aescripts%2Baeplugins

Any help appriciated.
Thank you

Dan Ebberts · Answer

It's hard to tell from your screen shot, but do you have the whole expression? The part that's visible ends with connecting the controller variable to the slider. If you end the expression there, you will indeed get that error message because controller is one-dimensional. If you add the rest of the expression (or even just the next line), you should end up with a 2-dimensional value and the error should disappear. Hope that helps.

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