Villager Brider Broken

Villager mades random particles and stop reproductions

What I expected to happen was...:
Villager are mades random particles and stop reproductions

What actually happened was...:
Villager makes heart particles and angry particles in potato field and dont makes mini villagers

Steps to Reproduce:
1 Put 2 Villagers in potato farm 
2. Gve them potatoes 
3. Wait Particles