Affects Version/s: Minecraft 19w13a
Fix Version/s: None
Singleplayer, macOS 10.14.4, Java 8 update 201
Loaded a world from 19w12b into 19w13a. Crashed within seconds, reported "The game crashed whilst ticking entity". Ticking entity was reported as
Details: Entity Type: minecraft:villager (auz)
Entity ID: 2538
Entity Name: Villager
Entity's Exact location: 212.70, 65.00, 243.51
Entity's Block location: World: (212,65,243), Chunk: (at 4,4,3 in 13,15; contains blocks 208,0,240 to 223,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: 
Entity's Vehicle: ~ERROR~ NullPointerException: null
Stacktrace: at bgv.a(SourceFile:668) at ve.a(SourceFile:384)
Yes, I searched and found other reports with this title, which had been labelled as a duplicate of a bug involving villagers with professions having their workplace destroyed.
At the time of this crash, no workplaces were being created or destroyed. Thus, not a duplicate.
Attached crash report.