Game Parenting Goes Crazy Why?

This is how i looks, plz help me,
Here’s The Link
the top part i parentet to the bottom part, it used to work fine, but now it, i don’t know whats happenin, plz help

Thx in advance


Do you have armatures in there ?

Press Ctrl+A and apply location, rotation and scale. After that press Origin > Origin to Geometry.