Chick with yellow goo coming out vent

[Madsmad]

I have 4 day old chicks, one of them squatted to poop and all that came out was clear/yellow goo, no poop. She’s eating and drinking normally.

 

[Madsmad]

The picture

 

[Corrisionworrision]

Mine just hatched yesterday First poop was in the incubator and normal and now when In the brooder it's clear just like this! Idk what it is