Different behaviour when in different viewports

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So I’m trying to do a swipe, in fact I’ve done this several times and I always end up encountering this error and getting frustrated because of it

Here’s what I do. On touch pressed (mouse click), I get the touch location and save that as a variable, then I open a gate that every tick prints the current mouse location.

Here’s the quantum kicker. If I click play from the blueprint to watch my BP, it works fine.

if I click play from the level, it doesn’t work at all.