Maybe she's hiding her eggs in her crop!
Seriously, one or the other or both may be eating her eggs. She has the red comb & wattles of a mature layer and she is plenty old enough to be laying.
What are you feeding them? And do they have oyster shell available?

Seriously, one or the other or both may be eating her eggs. She has the red comb & wattles of a mature layer and she is plenty old enough to be laying.
What are you feeding them? And do they have oyster shell available?