Server Crashes very often

I have confirmed that ...

[X] Arclight is up to date
[X] all dependencies are installed
[X] all plugins and mods are up to date
[X] unable to reproduce in Spigot
[X] unable to reproduce in Forge

Arclight version

arclight-1.16.5-1.0.25

OS & Java versions

java: 11

Plugins and Mods

Plugins (31): ChatGames, LuckPerms, WorldManager, PlaceholderAPI, ClearLag, PlayTime, Votifier, ProtocolLib, LibsDisguises, LuckTab, ActualRAM, CraftEnhance, Vault, DecentHolograms, Essentials, Rankup, XConomy, MythicMobs, EssentialsChat, CraftingStore, EssentialsSpawn, AuthMe, Skript, DiscordSRV, SimpleClans, VotingPlugin, EconomyShopGUI, GriefPrevention, EverNifeCore, PixelmonEconomyBridge, BetterRTP

 • minecraft forge-1.16.5-36.2.39-server.jar : minecraft (1.16.5) - 1[2024-05-02 22:16:34]: • mods_folder ForgePlaceholderAPI-Forge-2.0.4-1.16.5.jar : forgeplaceholderapi (2.0.4) - 1[2024-05-02 22:16:34]: • mods_folder EnvyHunt-Forge-4.0.3-1.16.5.jar : envyhunt (4.0.3) - 1[2024-05-02 22:16:34]: • maven_libs forge-1.16.5-36.2.39-universal.jar : forge (36.2.39) - 1[2024-05-02 22:16:34]: • mods_folder BetterPokeBroadcaster-Forge-1.2.0-1.16.5.jar : betterpokebroadcaster (1.2.0) - 1[2024-05-02 22:16:34]: • mods_folder Chunky-1.2.123.jar : chunky (1.2.123) - 1[2024-05-02 22:16:34]: • mods_folder UltimatePokeBuilder-Forge-2.2.1-1.16.5.jar : ultimatepokebuilder (2.2.1) - 1[2024-05-02 22:16:34]: • mods_folder TrainerCommands-1.16.5-2.6.1.jar : trainercommands (1.16.5-2.6.1) - 1[2024-05-02 22:16:34]: • mods_folder EnvyCrates-Forge-1.1.2-1.16.5.jar : envycrates (1.1.2) - 1[2024-05-02 22:16:34]: • mods_folder Pixelmon-1.16.5-9.1.11-universal.jar : pixelmon (9.1.11) - 4[2024-05-02 22:16:34]: • arclight arclight-forge-1.16.5-1.0.25.jar : arclight (1.16.5-1.0.25-7cf92be3) - 1

Description

Server crashes very often as ram skyrockets. There have been multiple problems. One being tping to a complex structure causing server crash. Others are concurrentmodification error when a player logs in, opening chests in sunken ships etc. The last few crashes, I don't know what the problem is

Step to reproduce

No response

Logs

https://pastebin.com/V9F9WDSY

https://pastebin.com/LuVhNDkY

Server pack link (Optional)