server crash, failed main thread check: Cannot add entity off-main thread

[logorubiks]

Expected behavior

server run normally

Observed/Actual behavior

server crash

Steps/models to reproduce

no clue

Plugin and Datapack List

[21:05:44 INFO]: ℹ Server Plugins (40):
[21:05:44 INFO]: Paper Plugins (2):
[21:05:44 INFO]: - FancyHolograms, FancyNpcs
[21:05:44 INFO]: Bukkit Plugins (38):
[21:05:44 INFO]: - AFKReward, AuctionHouse, Bounty, CelestCombat, Chunky, ChunkyBorder, CMILib, CoreProtect, CrossServer, DeluxeMenus
[21:05:44 INFO]: DiscordSRV, Essentials, FCBank, FCCore, FCInvinsibleItemframe, FCMiner, FCOptimizer, FCSign, FCWelcome, floodgate
[21:05:44 INFO]: GSit, HereTheData, LuckPerms, PlaceholderAPI, PlayerPoints, ProtocolLib, QuickShop-Hikari, RegionExcluder, ResCoins, Residence
[21:05:44 INFO]: SafariNet, spark, TAB-Bridge, Vault, VentureChat, ViaBackwards, ViaVersion, WorldEdit

Folia version

This server is running Luminol version 1.21.4-DEV-dev/1.21.4-hardfork@61c3cc8 (2025-05-20T08:34:44Z) (Implementing API version 1.21.4-R0.1-SNAPSHOT)

Other

crash part:
https://pastebin.com/Ubf4MiRa

[Euphillya]

You are on a fork of Folia. Try reproducing the bug on Folia first

[Spottedleaf]

I can't provide support for forks.