Crash - Unknown Cause | Exception in server tick loop

[faitarus]

Version

1.12.2-2838-7.4.7

Operating System

CentOS 7

Java Version

java-1.8.0-openjdk.x86_64

Plugins/Mods

AquaGTS-1.12.2-7.0.6-universal
autosaver-0.1.jar
Boop-1.6.2.jar
Broadcast-1.2.1.jar
ClientInspector-1.0.1.jar
CustomRestartMessage.jar
EcoBridge-1.12.2-2.0.7.jar
EconomyLite-7.1.0-2.15.1.jar
EvenMorePixelmonCommands-1.12.2-5.1.3.jar
griefprevention-1.12.2-4.3.0.692.jar
holograms-3.1.5.jar
HologramsPlus-1.0.0.jar
HubRedirect.jar
HuskyCrates.jar
HuskyUI-v0.6.0-PRE4-API7.jar
InstantRespawn.jar
ItemChat-1.4.2.jar
LuckHolders-1.1.jar
LuckPerms-Sponge-5.3.0.jar
Mirage.jar
NoFall.jar
Nucleus-1.14.7-S7.1-MC1.12.2-plugin.jar
nuvotifier.jar
PayDay-1.4.0.jar
PixelChat-1.80.jar
PixelExtras-1.12.2-2.5.17-universal.jar
PixelGenocide-1.1.1.jar
Pixelmon-1.12.2-8.3.6-universal.jar
PixelmonBroadcasts-1.12.2-1.2.1-universal.jar
pixelmonfriends-1.12.2-2.3.1-universal.jar
PlaceholderAPI-4.4.jar
protocolcontrol-0.0.2.jar
RanchLoot.jar
RealMap-1.0.jar
seriousvote-4.9.1.jar
SimpleCommands-2.2.1.jar
SlashDiscord-1.4.0.jar
spongeforge-1.12.2-2838-7.4.7.jar
TrainerCommands-1.12.2-2.5.1-universal.jar
UltimateClearLag.jar
whosthatpixelmon-1.1.0.jar
worldedit-forge-mc1.12.2-6.1.10-dist.jar
YYSScoreboard-0.2.0-pre-b65.jar

Describe the bug

During the Night between yesterday/today the Server crashes a few times with following Crashreport:

https://pastebin.com/CtXnhFQu

Any Idea what could be the issue?

Link to logs

No response