Placing an empty () x () math block to make a sprite's speed go negative can make the app crash.

[haroldo-ok]

As reported by Pixel Dimension: https://itch.io/post/11880650

i was making my game and I placed an empty () x () math block to make a sprite's speed go negative. when I placed the block, the program completely crashed, and I am now not able to use it :<