Why did Blackbox tell me “The game isn’t designed to be played like that”

I accidentally triggered a peculiar message while playing Blackbox:

Please Stop: The game isn’t designed to be played like that.

I’m not sure what caused this message to appear, or what behavior the game is referring to.

I think the message may have something to do with the touchscreen, as each puzzle is meant to be solved without touch. However, despite multiple attempts, I haven’t been able to make the message re-appear.

What is the game telling me not to do? What makes this message appear?

Solution 1:

According to this site it's a puzzle:

54: This is a new one. Use two hands/fingers to drag the screen to the edge of the map and keep pulling so you see more and more dark space, or the “grid.” Just keep pulling, even when the game tells you to stop. Eventually you’ll get a new purple box.

The actual progression of the puzzle is reported to look something like this: