Crash Report "Exception ticking world"

[Rekshot]

Here is the crash report:
 

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 1/11/22, 3:10 AM
Description: Exception ticking world

java.lang.NoSuchFieldError: net/minecraftforge/common/Tags$Blocks.DIRT
    at com.github.alexthe666.alexsmobs.entity.EntityFly.canFlySpawn(EntityFly.java:115) ~[alexsmobs-1.15.1.jar%2337!:1.15.1] {re:classloading,pl:runtimedistcleaner:A}
    at com.github.alexthe666.alexsmobs.entity.AMEntityRegistry$$Lambda$4602/0x00000000001b4990.m_21780_(Unknown Source) ~[?:?] {}
    at net.minecraft.world.entity.SpawnPlacements.m_21759_(SpawnPlacements.java:63) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.world.level.NaturalSpawner.m_46995_(NaturalSpawner.java:226) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47038_(NaturalSpawner.java:174) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47045_(NaturalSpawner.java:124) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47029_(NaturalSpawner.java:114) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.server.level.ServerChunkCache.m_8490_(ServerChunkCache.java:355) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerChunkCache.m_142483_(ServerChunkCache.java:311) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:278) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:868) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:328) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:808) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:668) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:258) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer$$Lambda$6862/0x0000000002f96fe0.run(Unknown Source) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {}
    at java.lang.Thread.run(Unknown Source) [?:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
    at com.github.alexthe666.alexsmobs.entity.EntityFly.canFlySpawn(EntityFly.java:115) ~[alexsmobs-1.15.1.jar%2337!:1.15.1] {re:classloading,pl:runtimedistcleaner:A}
    at com.github.alexthe666.alexsmobs.entity.AMEntityRegistry$$Lambda$4602/0x00000000001b4990.m_21780_(Unknown Source) ~[?:?] {}
    at net.minecraft.world.entity.SpawnPlacements.m_21759_(SpawnPlacements.java:63) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.world.level.NaturalSpawner.m_46995_(NaturalSpawner.java:226) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47038_(NaturalSpawner.java:174) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47045_(NaturalSpawner.java:124) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.world.level.NaturalSpawner.m_47029_(NaturalSpawner.java:114) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading}
    at net.minecraft.server.level.ServerChunkCache.m_8490_(ServerChunkCache.java:355) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerChunkCache.m_142483_(ServerChunkCache.java:311) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:278) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B}
-- Affected level --
Details:
    All players: 1 total; [ServerPlayer['Rekshot21'/198, l='ServerLevel[world]', x=-322.73, y=115.02, z=613.60]]
    Chunk stats: 3525
    Level dimension: minecraft:overworld
    Level spawn location: World: (0,84,0), Section: (at 0,4,0 in 0,5,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511)
    Level time: 9286005 game time, 8026568 day time
    Level name: world
    Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
    Level weather: Rain time: 112440 (now: false), thunder time: 91941 (now: false)
    Known server brands: forge
    Level was modded: true
    Level storage version: 0x04ABD - Anvil
Stacktrace:
    at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:868) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:328) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:808) ~[server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:668) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:258) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:balm.mixins.json:MinecraftServerAccessor,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
    at net.minecraft.server.MinecraftServer$$Lambda$6862/0x0000000002f96fe0.run(Unknown Source) [server-1.18.1-20211210.034407-srg.jar%2350!:?] {}
    at java.lang.Thread.run(Unknown Source) [?:?] {}

-- System Details --
Details:
    Minecraft Version: 1.18.1
    Minecraft Version ID: 1.18.1
    Operating System: Linux (amd64) version 5.4.0-73-generic
    Java Version: 17.0.1, IBM Corporation
    Java VM Version: Eclipse OpenJ9 VM (JRE 17 Linux amd64-64-Bit Compressed References 20211207_75 (JIT enabled, AOT enabled)
OpenJ9   - 7d055dfcb
OMR      - e30892e2b
JCL      - fc67fbe50a0 based on jdk-17.0.1+12), Eclipse OpenJ9
    Memory: 650907832 bytes (620 MiB) / 1507328000 bytes (1437 MiB) up to 2411724800 bytes (2300 MiB)
    CPUs: 40
    Processor Vendor: GenuineIntel
    Processor Name: Intel(R) Xeon(R) CPU E5-2660 v2 @ 2.20GHz
    Identifier: Intel64 Family 6 Model 62 Stepping 4
    Microarchitecture: Ivy Bridge (Server)
    Frequency (GHz): 2.20
    Number of physical packages: 2
    Number of physical CPUs: 20
    Number of logical CPUs: 40
    Graphics card #0 name: unknown
    Graphics card #0 vendor: unknown
    Graphics card #0 VRAM (MB): 0.00
    Graphics card #0 deviceId: unknown
    Graphics card #0 versionInfo: unknown
    Virtual memory max (MB): 65466.90
    Virtual memory used (MB): 97460.81
    Swap memory total (MB): 1024.00
    Swap memory used (MB): 363.02
    JVM Flags: 9 total; -Xoptionsfile=/opt/java/openjdk/lib/options.default -Xlockword:mode=default,noLockword=java/lang/String,noLockword=java/util/MapEntry,noLockword=java/util/HashMap$Entry,noLockword=org/apache/harmony/luni/util/ModifiedMap$Entry,noLockword=java/util/Hashtable$Entry,noLockword=java/lang/invoke/MethodType,noLockword=java/lang/invoke/MethodHandle,noLockword=java/lang/invoke/CollectHandle,noLockword=java/lang/invoke/ConstructorHandle,noLockword=java/lang/invoke/ConvertHandle,noLockword=java/lang/invoke/ArgumentConversionHandle,noLockword=java/lang/invoke/AsTypeHandle,noLockword=java/lang/invoke/ExplicitCastHandle,noLockword=java/lang/invoke/FilterReturnHandle,noLockword=java/lang/invoke/DirectHandle,noLockword=java/lang/invoke/ReceiverBoundHandle,noLockword=java/lang/invoke/DynamicInvokerHandle,noLockword=java/lang/invoke/FieldHandle,noLockword=java/lang/invoke/FieldGetterHandle,noLockword=java/lang/invoke/FieldSetterHandle,noLockword=java/lang/invoke/StaticFieldGetterHandle,noLockword=java/lang/invoke/StaticFieldSetterHandle,noLockword=java/lang/invoke/IndirectHandle,noLockword=java/lang/invoke/InterfaceHandle,noLockword=java/lang/invoke/VirtualHandle,noLockword=java/lang/invoke/PrimitiveHandle,noLockword=java/lang/invoke/InvokeExactHandle,noLockword=java/lang/invoke/InvokeGenericHandle,noLockword=java/lang/invoke/VarargsCollectorHandle,noLockword=java/lang/invoke/ThunkTuple -Xjcl:jclse29 -XX:+IgnoreUnrecognizedVMOptions -XX:+IdleTuningGcOnIdle -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,readonly,nonFatal -XX:MaxMetaspaceSize=200M -Xmx2300M -Xms1150M
    Server Running: true
    Player Count: 1 / 20; [ServerPlayer['Rekshot21'/198, l='ServerLevel[world]', x=-322.73, y=115.02, z=613.60]]
    Data Packs: vanilla, mod:wthit, mod:forge, mod:waystones, mod:comforts, mod:citadel (incompatible), mod:alexsmobs (incompatible), mod:balm (incompatible), mod:trashslot, mod:journeymap, mod:jei (incompatible), mod:repurposed_structures, mod:cfm (incompatible), mod:gravestone (incompatible)
    Is Modded: Definitely; Server brand changed to 'forge'
    Type: Dedicated Server (map_server.txt)
    ModLauncher: 9.0.7+91+master.8569cdf
    ModLauncher launch target: forgeserver
    ModLauncher naming: srg
    ModLauncher services: 
         mixin PLUGINSERVICE 
         eventbus PLUGINSERVICE 
         object_holder_definalize PLUGINSERVICE 
         runtime_enum_extender PLUGINSERVICE 
         capability_token_subclass PLUGINSERVICE 
         accesstransformer PLUGINSERVICE 
         runtimedistcleaner PLUGINSERVICE 
         mixin TRANSFORMATIONSERVICE 
         fml TRANSFORMATIONSERVICE 
    FML Language Providers: 
        [email protected]
        javafml@null
    Mod List: 
        server-1.18.1-20211210.034407-srg.jar             |Minecraft                     |minecraft                     |1.18.1              |DONE      |Manifest: NOSIGNATURE
        repurposed_structures_forge-4.0.9+1.18.1.jar      |Repurposed Structures         |repurposed_structures         |4.0.9+1.18.1        |DONE      |Manifest: NOSIGNATURE
        trashslot-forge-1.18-11.0.0.jar                   |TrashSlot                     |trashslot                     |11.0.0              |DONE      |Manifest: NOSIGNATURE
        furniture-7.0.0-pre27-1.18.1.jar                  |MrCrayfish's Furniture Mod    |cfm                           |7.0.0-pre27         |DONE      |Manifest: NOSIGNATURE
        balm-2.3.1+0.jar                                  |Balm                          |balm                          |2.3.1+0             |DONE      |Manifest: NOSIGNATURE
        jei-1.18-9.0.0.40.jar                             |Just Enough Items             |jei                           |9.0.0.40            |DONE      |Manifest: NOSIGNATURE
        wthit-forge-4.4.0.jar                             |wthit                         |wthit                         |4.4.0               |DONE      |Manifest: NOSIGNATURE
        forge-1.18.1-39.0.18-universal.jar                |Forge                         |forge                         |39.0.18             |DONE      |Manifest: 22:af:21:d8:19:82:7f:93:94:fe:2b:ac:b7:e4:41:57:68:39:87:b1:a7:5c:c6:44:f9:25:74:21:14:f5:0d:90
        waystones-forge-1.18.1-9.0.1.jar                  |Waystones                     |waystones                     |9.0.1               |DONE      |Manifest: NOSIGNATURE
        gravestone-1.18.1-1.0.0.jar                       |Gravestone Mod                |gravestone                    |1.18.1-1.0.0        |DONE      |Manifest: NOSIGNATURE
        journeymap-1.18.1-5.8.0beta4.jar                  |Journeymap                    |journeymap                    |5.8.0beta4          |DONE      |Manifest: NOSIGNATURE
        comforts-forge-1.18-5.0.0.1.jar                   |Comforts                      |comforts                      |1.18-5.0.0.1        |DONE      |Manifest: NOSIGNATURE
        citadel-1.10.5-1.18.jar                           |Citadel                       |citadel                       |1.10.5              |DONE      |Manifest: NOSIGNATURE
        alexsmobs-1.15.1.jar                              |Alex's Mobs                   |alexsmobs                     |1.15.1              |DONE      |Manifest: NOSIGNATURE
    Crash Report UUID: 4fbb7efd-4256-4cea-ad9c-0cb9de1384e8
    FML: 39.0
    Forge: net.minecraftforge:39.0.18

Idk, I tried Killing all Flys but I have no idea what to do, any idea?