[Bug] Players are ejected from the dungeon after death.

[Tiplish]

Description

When a player die in a dungeon, he is often put at the enter of the dungeon. He is not TP back in it. This problem occures since V0.17.5 from DXL and not before

Reproduce

Go in a dungeon, and DIE :p

Expected behavior

Stay in the dungeon after death.

Screenshots / GIFs / videos

Relevant configuration files

[Sataniel98]

It does seem to be the case, I've found this stacktrace:

[18:57:47 WARN]: [DungeonsXL] Task #10 for DungeonsXL v0.17.6 generated an exception
java.lang.NullPointerException: null
        at net.minecraft.server.v1_13_R2.PlayerList.moveToWorld(PlayerList.java:640) ~[craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at org.bukkit.craftbukkit.v1_13_R2.entity.CraftPlayer.teleport(CraftPlayer.java:622) ~[craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at org.bukkit.craftbukkit.v1_13_R2.entity.CraftEntity.teleport(CraftEntity.java:295) ~[craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at de.erethon.dungeonsxl.util.commons.player.PlayerUtil.secureTeleport(PlayerUtil.java:89) ~[?:?]
        at de.erethon.dungeonsxl.player.RespawnTask.run(RespawnTask.java:45) ~[?:?]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:77) ~[craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:391) [craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:833) [craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:382) [craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:792) [craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:695) [craftbukkit-1.13.2.jar:git-Bukkit-98b862a]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]

[Tiplish]

The last version of dxl is implemented since 8 days and the issue hasn't occured again :)