The Villager can't get his Librarian Work Station, because of the Carpet. The Carpet is blocking him and he can't claim his work station if he is outside, and if he is inside the house he will get it, but can't exit the house.
The Seed is: -4830320383128538590
Coordinates: 6385 78 5003
I think that happens only on Savanna Villages, and I'm playing on Hardcore Survival