KiCad ERC (electrical rules checker) error. Why?
J1 pin 5 is Ground.  U4 pin 6 is Vbat which connects to P+ in the bottom right drawing.  However, the bottom left drawing shows P+ connected to Ground, which is probably not right.
I'm a bit surprised that you didn't get a complaint about one net having two names: Vbat and P+ in the bottom right drawing.