[MC-125025] Crash after 15 minutes of playing: java.lang.NullPointerException: Unexpected error

The bug

I open up Minecraft, play single or multiplayer for 15 minutes, and it crashes. This also sometimes happens when I join a different server after playing one.

Crash report

1.12.2: crash-2018-02-10_15.55.44-client.txt

Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at bsa.n(SourceFile:296)
	at bsa.e(SourceFile:275)
	at bib.t(SourceFile:1602)
	at bib.az(SourceFile:1000)
	at bib.a(SourceFile:419)
	at net.minecraft.client.main.Main.main(SourceFile:123)