fatal error: concurrent map iteration and map write

[RestartFU]

fatal error: concurrent map iteration and map write

goroutine 28 [running]:
runtime.throw({0x153111c?, 0x1?})
C:/Program Files/Go/src/runtime/panic.go:992 +0x76 fp=0xc0009e3d28 sp=0xc0009e3cf8 pc=0xf76196
runtime.mapiternext(0xc0009e3e18?)
C:/Program Files/Go/src/runtime/map.go:871 +0x4eb fp=0xc0009e3d98 sp=0xc0009e3d28 pc=0xf4fb0b
github.com/df-mc/dragonfly/server/world.weather.tickLightning({0xc000168000?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/weather.go:161 +0x113 fp=0xc0009e3e88 sp=0xc0009e3d98 pc=0x11ca593
github.com/df-mc/dragonfly/server/world.ticker.tick({0xc0009e3f90?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/tick.go:68 +0x206 fp=0xc0009e3f28 sp=0xc0009e3e88 pc=0x11c75c6
github.com/df-mc/dragonfly/server/world.ticker.tickLoop({0x0?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/tick.go:26 +0xa5 fp=0xc0009e3fc8 sp=0xc0009e3f28 pc=0x11c72a5
github.com/df-mc/dragonfly/server/world.Config.New.func1()
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:86 +0x26 fp=0xc0009e3fe0 sp=0xc0009e3fc8 pc=0x11c4de6
runtime.goexit()
C:/Program Files/Go/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0009e3fe8 sp=0xc0009e3fe0 pc=0xfa2a41
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:86 +0x576

goroutine 1 [chan receive]:
github.com/df-mc/dragonfly/server.(*Server).Accept(0xc000e2a800, 0x155b818)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/server.go:156 +0x3f
github.com/restartfu/hct/hct.(*HCT).Start(0xc000debde8)
C:/Users/Administrator/Documents/HCT/hct/hct.go:34 +0xb1
main.main()
C:/Users/Administrator/Documents/HCT/main.go:20 +0x1d8

goroutine 9 [select]:
github.com/df-mc/goleveldb/leveldb/util.(*BufferPool).drain(0xc0008b5ea0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/util/buffer_pool.go:206 +0xc7
created by github.com/df-mc/goleveldb/leveldb/util.NewBufferPool
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/util/buffer_pool.go:237 +0x18c

goroutine 10 [select]:
github.com/df-mc/goleveldb/leveldb.(*session).refLoop(0xc001158000)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/session_util.go:189 +0x59b
created by github.com/df-mc/goleveldb/leveldb.newSession
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/session.go:93 +0x2d9

goroutine 24 [select]:
github.com/df-mc/goleveldb/leveldb.(*DB).compactionError(0xc0005fa380)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db_compaction.go:91 +0x158
created by github.com/df-mc/goleveldb/leveldb.openDB
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db.go:148 +0x4ea

goroutine 25 [select]:
github.com/df-mc/goleveldb/leveldb.(*DB).mpoolDrain(0xc0005fa380)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db_state.go:101 +0xa8
created by github.com/df-mc/goleveldb/leveldb.openDB
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db.go:149 +0x52a

goroutine 26 [select]:
github.com/df-mc/goleveldb/leveldb.(*DB).tCompaction(0xc0005fa380)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db_compaction.go:836 +0x657
created by github.com/df-mc/goleveldb/leveldb.openDB
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db.go:155 +0x598

goroutine 27 [select]:
github.com/df-mc/goleveldb/leveldb.(*DB).mCompaction(0xc0005fa380)
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db_compaction.go:773 +0x113
created by github.com/df-mc/goleveldb/leveldb.openDB
C:/Program Files/Go/pkg/mod/github.com/df-mc/goleveldb@v1.1.9/leveldb/db.go:156 +0x5d6

goroutine 29 [select]:
github.com/df-mc/dragonfly/server/world.(*World).chunkCacheJanitor(0xc000168000)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/world.go:1311 +0x16b
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:87 +0x5b6

goroutine 30 [select]:
github.com/df-mc/dragonfly/server/world.ticker.tickLoop({0x0?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/tick.go:24 +0xed
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:86 +0x576

goroutine 31 [select]:
github.com/df-mc/dragonfly/server/world.(*World).chunkCacheJanitor(0xc000168160)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/world.go:1311 +0x16b
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:87 +0x5b6

goroutine 32 [select]:
github.com/df-mc/dragonfly/server/world.ticker.tickLoop({0x0?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/tick.go:24 +0xed
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:86 +0x576

goroutine 33 [select]:
github.com/df-mc/dragonfly/server/world.(*World).chunkCacheJanitor(0xc0001682c0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/world.go:1311 +0x16b
created by github.com/df-mc/dragonfly/server/world.Config.New
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/conf.go:87 +0x5b6

goroutine 66 [IO wait]:
internal/poll.runtime_pollWait(0x2125eaf48a0, 0x72)
C:/Program Files/Go/src/runtime/netpoll.go:302 +0x89
internal/poll.(*pollDesc).wait(0x78327e71373680c6?, 0xf50dc5?, 0x0)
C:/Program Files/Go/src/internal/poll/fd_poll_runtime.go:83 +0x32
internal/poll.execIO(0xc00084ac98, 0x155c008)
C:/Program Files/Go/src/internal/poll/fd_windows.go:175 +0xe5
internal/poll.(*FD).ReadFromInet6(0xc00084ac80, {0xc0000cec00, 0xc0005e1980?, 0x0?}, 0xc0007c7e20)
C:/Program Files/Go/src/internal/poll/fd_windows.go:639 +0x13e
net.(*netFD).readFromInet6(0xc00084ac80, {0xc0000cec00?, 0x1?, 0xf539c5?}, 0xc000366930?)
C:/Program Files/Go/src/net/fd_posix.go:72 +0x29
net.(*UDPConn).readFrom(0xc000600400?, {0xc0000cec00?, 0x0?, 0xc0007c7ef8?}, 0xc000a1e810)
C:/Program Files/Go/src/net/udpsock_posix.go:59 +0x85
net.(*UDPConn).readFromUDP(0xc000006100, {0xc0000cec00?, 0xf4d467?, 0x28?}, 0x14a8b60?)
C:/Program Files/Go/src/net/udpsock.go:149 +0x31
net.(*UDPConn).ReadFrom(0xc0005e2280?, {0xc0000cec00, 0x5dc, 0x5dc})
C:/Program Files/Go/src/net/udpsock.go:158 +0x50
github.com/sandertv/go-raknet.(*Listener).listen(0xc0005e2280)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/listener.go:140 +0xb3
created by github.com/sandertv/go-raknet.ListenConfig.Listen
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/listener.go:76 +0x296

goroutine 67 [chan receive]:
github.com/sandertv/go-raknet.(*Listener).Accept(0xc0005e8000?)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/listener.go:94 +0x2f
github.com/sandertv/gophertunnel/minecraft.(*Listener).listen(0xc0005e8000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:194 +0xc2
created by github.com/sandertv/gophertunnel/minecraft.ListenConfig.Listen
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:111 +0x3e5

goroutine 68 [chan receive]:
github.com/sandertv/gophertunnel/minecraft.(*Listener).Accept(0xc0005e8000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:131 +0x37
github.com/df-mc/dragonfly/server.listener.Accept({0x15fea50?})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/listener.go:29 +0x19
github.com/df-mc/dragonfly/server.(*Server).Listen.func1()
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/server.go:361 +0x77
created by github.com/df-mc/dragonfly/server.(*Server).Listen
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/server.go:358 +0x1ce

goroutine 51 [select]:
github.com/sandertv/gophertunnel/minecraft.(*Listener).listen.func1()
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:180 +0xcc
created by github.com/sandertv/gophertunnel/minecraft.(*Listener).listen
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:176 +0x70

goroutine 69 [semacquire]:
sync.runtime_Semacquire(0x0?)
C:/Program Files/Go/src/runtime/sema.go:56 +0x25
sync.(*WaitGroup).Wait(0x0?)
C:/Program Files/Go/src/sync/waitgroup.go:136 +0x52
github.com/df-mc/dragonfly/server.(*Server).wait(0xc000e2a800)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/server.go:450 +0x2a
created by github.com/df-mc/dragonfly/server.(*Server).Start
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/server.go:203 +0xda

goroutine 70 [select]:
github.com/sandertv/go-raknet.(*Conn).startTicking(0xc000858000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:118 +0x125
created by github.com/sandertv/go-raknet.newConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:103 +0x54b

goroutine 52 [chan receive]:
github.com/sandertv/gophertunnel/minecraft.newConn.func1()
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:155 +0x8a
created by github.com/sandertv/gophertunnel/minecraft.newConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:152 +0x54d

goroutine 53 [select]:
github.com/sandertv/go-raknet.(*Conn).ReadPacket(0xc000858000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:292 +0x85
github.com/sandertv/gophertunnel/minecraft/protocol/packet.(*Decoder).Decode(0xc000f93900)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/protocol/packet/decoder.go:82 +0x44
github.com/sandertv/gophertunnel/minecraft.(*Listener).handleConn(0xc0005e8000, 0xc000141400)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:247 +0xa5
created by github.com/sandertv/gophertunnel/minecraft.(*Listener).createConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:224 +0x1c5

goroutine 75 [select]:
github.com/sandertv/gophertunnel/minecraft.(*Conn).ReadPacket(0xc000141400)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:334 +0x128
github.com/df-mc/dragonfly/server/session.(*Session).handlePackets(0xc0000003c0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:298 +0xd3
created by github.com/df-mc/dragonfly/server/session.(*Session).Start
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:215 +0xa5

goroutine 73 [select]:
github.com/sandertv/go-raknet.(*Conn).startTicking(0xc000858100)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:118 +0x125
created by github.com/sandertv/go-raknet.newConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:103 +0x54b

goroutine 37 [chan receive]:
github.com/sandertv/gophertunnel/minecraft.newConn.func1()
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:155 +0x8a
created by github.com/sandertv/gophertunnel/minecraft.newConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:152 +0x54d

goroutine 38 [select]:
github.com/sandertv/go-raknet.(*Conn).ReadPacket(0xc000858100)
C:/Program Files/Go/pkg/mod/github.com/sandertv/go-raknet@v1.10.9/conn.go:292 +0x85
github.com/sandertv/gophertunnel/minecraft/protocol/packet.(*Decoder).Decode(0xc000e2d4f0)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/protocol/packet/decoder.go:82 +0x44
github.com/sandertv/gophertunnel/minecraft.(*Listener).handleConn(0xc0005e8000, 0xc0004e0000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:247 +0xa5
created by github.com/sandertv/gophertunnel/minecraft.(*Listener).createConn
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/listener.go:224 +0x1c5

goroutine 55 [select]:
github.com/sandertv/gophertunnel/minecraft.(*Conn).ReadPacket(0xc0004e0000)
C:/Program Files/Go/pkg/mod/github.com/sandertv/gophertunnel@v1.19.13/minecraft/conn.go:334 +0x128
github.com/df-mc/dragonfly/server/session.(*Session).handlePackets(0xc0000001e0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:298 +0xd3
created by github.com/df-mc/dragonfly/server/session.(*Session).Start
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:215 +0xa5

goroutine 76 [runnable]:
github.com/df-mc/dragonfly/server/world/chunk.(*PalettedStorage).setPaletteIndex(...)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/chunk/paletted_storage.go:120
github.com/df-mc/dragonfly/server/world/chunk.(*PalettedStorage).resize(0xc000366ac0?, 0xec?)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/chunk/paletted_storage.go:136 +0x268
github.com/df-mc/dragonfly/server/world/chunk.(*PalettedStorage).addNew(0xc000a1ea50?, 0x1?)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/chunk/paletted_storage.go:88 +0xed
github.com/df-mc/dragonfly/server/world/chunk.(*PalettedStorage).Set(0xc000a1ea50, 0x0, 0x50, 0x0, 0xffc30000?)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/chunk/paletted_storage.go:79 +0x57
github.com/df-mc/dragonfly/server/world/chunk.(*Chunk).SetBiome(0xc0006338f0?, 0xf0?, 0x63?, 0xc0?, 0x1aeb?)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/chunk/chunk.go:87 +0x3f
github.com/df-mc/dragonfly/server/world/generator.Flat.GenerateChunk({0x1, {0xc000f7e1f0, 0x4, 0x4}, 0x4}, {0xfffffff9, 0x3}, 0xc0006338f0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/generator/flat.go:45 +0xcc
github.com/df-mc/dragonfly/server/world.(*World).loadChunk(0xc0001686e0, {0xfffffff9, 0x3})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/world.go:1163 +0x414
github.com/df-mc/dragonfly/server/world.(*World).chunk(0xc0001686e0, {0xfffffff9, 0x3})
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/world.go:1110 +0x137
github.com/df-mc/dragonfly/server/world.(*Loader).Load(0xc00013eee0, 0x4)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/world/loader.go:93 +0xf2
github.com/df-mc/dragonfly/server/session.(*Session).sendChunks(0xc0000003c0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:376 +0xef
github.com/df-mc/dragonfly/server/session.(*Session).background(0xc0000003c0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:342 +0x145
created by github.com/df-mc/dragonfly/server/session.(*Session).handlePackets
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:285 +0x8a

goroutine 56 [select]:
github.com/df-mc/dragonfly/server/session.(*Session).background(0xc0000001e0)
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:340 +0x125
created by github.com/df-mc/dragonfly/server/session.(*Session).handlePackets
C:/Program Files/Go/pkg/mod/github.com/df-mc/dragonfly@v0.6.3-0.20220530090453-45cae5a85b10/server/session/session.go:285 +0x8a
exit status 2

here is line 34

and here is line 20

[RestartFU]

it seems to happen when I log on with my phone

[Sandertv]

Should be "fixed" in 481cca6.