https://youtu.be/71wR30RM0wE
That happens: ABS(posX)>=0x40000 or ABS(posY)>=0x40000 .
It looks like a significant figure of a floating point was exceeded, and an error has occurred to the indication location of the Sprite.
Of course, an ordinary player doesn't go to such far place.
![Razz :P](./images/smilies/icon_razz.gif)