This happens when starting the server and connecting

[INFO] Server started.
[INFO] Player connected: XXXXXXXXXXX, xuid: XXXXXXXXXXXXX
[INFO] Package: com.mojang.minecraft.dedicatedserver
Version: 1.16.101.1
OS: Linux
Server start: 2020-11-29 16:42:15 CET
Dmp timestamp: 2020-11-29 16:42:46 CET
Upload Date: 2020-11-29 16:42:46 CET
Session ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Commit hash:
Build id: development
CrashReporter Key: 6428d53a-f3c1-3066-b082-c1e61f315eb1

Crash
[INFO]  at std::vector<ItemStack, std::allocator<ItemStack> >::size[] const (UnknownFile:?)
       at FillingContainer::serverInitItemStackIds[int, int, std::function<void [int, ItemStack const&]>] (UnknownFile:?)
       at ChestBlockActor::serverInitItemStackIds[int, int, std::function<void [int, ItemStack const&]>] (UnknownFile:?)
       at ContainerModel::serverInitItemStackIds[] (UnknownFile:?)
       at ContainerManagerModel::_serverInitItemStackIds[ContainerModel*] (UnknownFile:?)
       at ContainerManagerModel::serverInitItemStackIds[] (UnknownFile:?)
       at InventoryContentPacket::fromPlayerInventoryId[ContainerID, Player&] (UnknownFile:?)
       at VanillaServerGameplayEventListener::onPlayerOpenContainer[Player&, ContainerType, BlockPos const&, ActorUniqueID] (UnknownFile:?)
       at std::function<EventResult [gsl::not_null<PlayerEventListener*>]>::operator[][gsl::not_null<PlayerEventListener*>] const (UnknownFile:?)
       at EventCoordinator<PlayerEventListener>::processEvent[std::function<EventResult [gsl::not_null<PlayerEventListener*>]>] (UnknownFile:?)
       at PlayerEventCoordinator::sendPlayerOpenContainer[Player&, ContainerType, BlockPos const&, ActorUniqueID] (UnknownFile:?)
       at ChestBlockActor::openBy[Player&] (UnknownFile:?)
       at ChestBlock::use[Player&, BlockPos const&, unsigned char] const (UnknownFile:?)
       at Block::use[Player&, BlockPos const&, unsigned char] const (UnknownFile:?)
       at GameMode::useItemOn[ItemStack&, BlockPos const&, unsigned char, Vec3 const&, Block const*] (UnknownFile:?)
       at SurvivalMode::useItemOn[ItemStack&, BlockPos const&, unsigned char, Vec3 const&, Block const*] (UnknownFile:?)
       at std::function<void []>::operator[][] const (UnknownFile:?)
       at Container::createTransactionContext[std::function<void [Container&, int, ItemStack const&, ItemStack const&]>, std::function<void []>] (UnknownFile:?)
       at PlayerInventory::createTransactionContext[std::function<void [Container&, int, ItemStack const&, ItemStack const&]>, std::function<void []>] (UnknownFile:?)
       at ItemUseInventoryTransaction::handle[Player&, bool] const (UnknownFile:?)
       at ServerNetworkHandler::handle[NetworkIdentifier const&, InventoryTransactionPacket const&] (UnknownFile:?)
       at PacketHandlerDispatcherInstance<InventoryTransactionPacket, false>::handle[NetworkIdentifier const&, NetEventCallback&, std::shared_ptr<Packet>&] const (UnknownFile:?)
       at Packet::handle[NetworkIdentifier const&, NetEventCallback&, std::shared_ptr<Packet>&] (UnknownFile:?)
       at NetworkHandler::_sortAndPacketizeEvents[NetworkHandler::Connection&, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >] (UnknownFile:?)
       at NetworkHandler::runEvents[bool] (UnknownFile:?)
       at Minecraft::update[] (UnknownFile:?)
       at ServerInstance::_update[] (UnknownFile:?)
       at clone (UnknownFile:?)

Replacing the world with an old Version fixes the issue.