Put the summary of the bug you're having here
What I expected to happen was...:
Enter the Villager GUI to trade.
What actually happened was...:
Opening up GUI and closing instantly.
Steps to Reproduce:
1. Select Villager
2. Give Workstation / Profession
3. Attempt to Trade
Not sure if updating the world had anything to do with the bug.
UPDATE: Works in 1.14.2
Duplicate of MC-154201