[19:25:59 ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH - git-Paper-321 (MC: 1.15.2) ---
[19:25:59 ERROR]: The server has not responded for 10 seconds! Creating thread dump
[19:25:59 ERROR]: ------------------------------
[19:25:59 ERROR]: Server thread dump (Look for plugins here before reporting to Paper!):
[19:25:59 ERROR]: ------------------------------
[19:25:59 ERROR]: Current Thread: Server thread
[19:25:59 ERROR]: PID: 25 | Suspended: false | Native: false | State: WAITING
[19:25:59 ERROR]: Stack:
[19:25:59 ERROR]: sun.misc.Unsafe.park(Native Method)
[19:25:59 ERROR]: java.util.concurrent.locks.LockSupport.park(Unknown Source)
[19:25:59 ERROR]: java.util.concurrent.CompletableFuture$Signaller.block(Unknown Source)
[19:25:59 ERROR]: java.util.concurrent.ForkJoinPool.managedBlock(Unknown Source)
[19:25:59 ERROR]: java.util.concurrent.CompletableFuture.waitingGet(Unknown Source)
[19:25:59 ERROR]: java.util.concurrent.CompletableFuture.join(Unknown Source)
[19:25:59 ERROR]: net.minecraft.server.v1_15_R1.PlayerChunkMap.read(PlayerChunkMap.java:1545)
[19:25:59 ERROR]: org.dynmap.bukkit.helper.v115.MapChunkCache115.loadChunkNBT(MapChunkCache115.java:344)
[19:25:59 ERROR]: org.dynmap.bukkit.helper.v115.MapChunkCache115.loadChunks(MapChunkCache115.java:435)
[19:25:59 ERROR]: org.dynmap.bukkit.DynmapPlugin$BukkitServer$6.call(DynmapPlugin.java:490)
[19:25:59 ERROR]: org.dynmap.bukkit.DynmapPlugin$BukkitServer$6.call(DynmapPlugin.java:477)
[19:25:59 ERROR]: org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftFuture.run(CraftFuture.java:88)
[19:25:59 ERROR]: org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:461)
[19:25:59 ERROR]: net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1256)
[19:25:59 ERROR]: net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:430)
[19:25:59 ERROR]: net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1173)
[19:25:59 ERROR]: net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:962)
[19:25:59 ERROR]: java.lang.Thread.run(Unknown Source)
[19:25:59 ERROR]: ------------------------------
[19:25:59 ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---
[19:25:59 ERROR]: ------------------------------

I don't think it's the hardware since it's a decent processor and 25gb or ram, but who am I to know this stuff.

Need to update Paper - pretty sure they've fixed this.

Does your server lagg or anything? Or is this just a message in your console?

Does your server lagg or anything? Or is this just a message in your console?

Yes it lags for like 5 seconds

Ok, which plugins do you have?

Ok, which plugins do you have?

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
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
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

last part of logs.txt
Timings: https://timings.aikar.co/?id=f6c3fff2b4c54d6ba16ebce6671d924c#timings Plugins List can be found there

i had something similar just now i was wondering if it had to do with this plugin or not