TextWidth causing error code

I have two sliders, one that changes TextWidth and another that changes TextHeight. The sliders are doing the job but I want a sprite to change so it is the same width and height of the text (not text box). I am using an awesome addon from Rex Rainbow called BBcode Text. The Sprite height is changing with the TextHeight but there is an error that appears for the TextWidth.

I have attached the code that I am using and the error that appears when using the TextWidth.

Does anyone have a work around or suggestion to help fix this?

I think you need to use BBCodeText.Width and BBCodeText.Height - the width and height of text object.

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TextWidth and TextHeight properties are for measuring the actual text. (for example you can stretch the text object to be 1000px wide, but if you put only one word in it, TextWidth will return 50px)

TextWidth and TextHeight become available after a small delay, because the system needs time to render the text. You are trying to access them on every tick, and that's probably why you are getting the error. Or maybe your text is empty. Or there is a bug in BBCode addon.. Who knows :)