Write on 0 returns no data on stacked text

Hey, I want to make a bullet-list animation template that animates in the text with delays and stacks the text one on top of each other in the left bottom of the page.
I have a Title1 (on top), Description§, Title2 and Description2 texts stacked on top of each other.
I managed to link the texts on top of each other and align them programmatically in the left bottom corner stacked on top of each other. But as I take down the text write on for example the second line to 0 the upper top text disappears as it does not have data on the height.
Any ideas on how to solve this issue?

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I am using Description2.Output.DataWindow[4]

and

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NumberIn1 / Description2.Output.OriginalHeight

this to calculate the hight of the elements.
Thanks!