Server Crash 1.15.2 - Paper 333

My server crashed randomly and keeps getting errors, idk what plugin is causing it but it happens out of the blue sometimes. I wish it would just stop.

Can someone help me find the issue: https://pastebin.com/vgvLTmpX

Plugins:

AntiVoid v1.0
BuycraftX v12.0.6
Chairs v5.1
ClearChat v1.0
CommandSigns v2.2.0
CoreProtect v2.18.2
dynmap v3.0-RC3-331
Dynmap-HeroChat v0.50
EditableSign v7.0.4
Essentials v2.17.2.0
EssentialsSpawn v2.17.2.0
FastAsyncWorldEdit v1.15.2
floodgate-bukkit v1.0-SNAPSHOT
GriefPrevention v16.13.0
GriefPreventionFlags v5.9.0
Herochat v6.0.1-SNAPSHOT-bb34
Matrix v4.8.6
Multiverse-Core v4.1.0-b775
Multiverse-NetherPortals v4.1.0-b763
OpenInv v4.1.0
PermissionsEx v1.23.4
PlugMan v2.1.7
ProtocolLib v4.5.0
PvPToggle v1.7
Shop v1.8.1
SkEmail v1.7
SkQuery v3.6.5
Skript v2.4.1
SkriptJSON v1.0.0
TAB v2.7.6
TreeFeller v1.1
Vault v1.7.2-b107
ViaVersion v2.2.3
Vote v2.0.1
Votifier v2.6.0-SNAPSHOT
WayPoints v1.0.0
Wild v3.17.0
WorldBorder v1.9.10 (beta)
WorldEdit v7.1.0;8e55131
WorldEditSelectionVisualizer v2.0.4
WorldGuard v7.0.2-SNAPSHOT