[MC-126533] Failed to handle packet h: Ticking player

Crash on multiplayer server when try to connect.
This bug start to appears on 18w06a. but everything work fine in 18w05a.
Versions with the crash : 18w06a 18w07a 18w07b 18w07c 18w08a 18w08b 18w09a
Version without the crash : 18w05a and lower
I have test it with and without my datapacks.

[19:53:25] [Server thread/WARN]: Failed to handle packet for IP:PORT (masked for bug tracker)
h: Ticking player
	at sb.i(SourceFile:425) ~[minecraft_server.18w09a.jar:?]
	at sx.aa_(SourceFile:189) ~[minecraft_server.18w09a.jar:?]
	at hi.a(SourceFile:221) ~[minecraft_server.18w09a.jar:?]
	at sw.c(SourceFile:175) [minecraft_server.18w09a.jar:?]
	at net.minecraft.server.MinecraftServer.w(SourceFile:720) [minecraft_server.18w09a.jar:?]
	at rk.w(SourceFile:354) [minecraft_server.18w09a.jar:?]
	at net.minecraft.server.MinecraftServer.v(SourceFile:627) [minecraft_server.18w09a.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:532) [minecraft_server.18w09a.jar:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45-internal]
Caused by: java.lang.NullPointerException
	at bkp.a(SourceFile:143) ~[minecraft_server.18w09a.jar:?]
	at au.a(SourceFile:69) ~[minecraft_server.18w09a.jar:?]
	at au.a(SourceFile:49) ~[minecraft_server.18w09a.jar:?]
	at av$b.a(SourceFile:89) ~[minecraft_server.18w09a.jar:?]
	at av$a.a(SourceFile:121) ~[minecraft_server.18w09a.jar:?]
	at av.a(SourceFile:68) ~[minecraft_server.18w09a.jar:?]
	at sb.i(SourceFile:417) ~[minecraft_server.18w09a.jar:?]
	... 8 more