java.lang.NullPointerException: Rendering screen

Encountered this on multiplayer when picking an item from the crafting book to see the recipe.

The game transitioned to "Saving world" followed by a crash report in the launcher: 

Time: 6/15/18 8:35 PM
Description: Rendering screen
java.lang.NullPointerException: Rendering screen
 at col$a.c(SourceFile:109)
 at col.a(SourceFile:70)
 at coo.a(SourceFile:306)
 at cnm.a(SourceFile:83)
 at cwe.a(SourceFile:796)
 at cit.c(SourceFile:816)
 at cit.a(SourceFile:379)
 at net.minecraft.client.main.Main.main(SourceFile:144)