Incompatibility with mod: https://github.com/Super-Santa/EssentialAddons
Crash report:
---- Minecraft Crash Report ----
// Shall we play a game?

Time: 05/04/22, 23:16
Description: Exception in server tick loop

java.lang.NullPointerException: Cannot invoke "net.minecraft.server.MinecraftServer.method_3760()" because the return value of "su.plo.voice.server.VoiceServer.getServer()" is null
at Not Enough Crashes deobfuscated stack trace.(1.18.2+build.2)
at su.plo.voice.server.PlayerManager.isOp(PlayerManager.java:97)
at su.plo.voice.server.network.ServerNetworkHandler.handleJoin(ServerNetworkHandler.java:69)
at su.plo.voice.server.network.ServerNetworkHandlerFabric.handleJoin(ServerNetworkHandlerFabric.java:35)
at su.plo.voice.server.VoiceServerFabric.lambda$onInitialize$3(VoiceServerFabric.java:36)
at net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.lambda$static$2(ServerPlayConnectionEvents.java:48)
at net.fabricmc.fabric.impl.networking.server.ServerPlayNetworkAddon.onClientReady(ServerPlayNetworkAddon.java:65)
at net.minecraft.server.PlayerManager.handler$cip000$handlePlayerConnection(PlayerManager:3964)
at net.minecraft.server.PlayerManager.onPlayerConnect(PlayerManager:192)
at carpet.patches.EntityPlayerMPFake.join(EntityPlayerMPFake.java:1053)
at essentialaddons.feature.ReloadFakePlayers.loadPlayer(ReloadFakePlayers.java:47)
at essentialaddons.utils.ConfigFakePlayerData.lambda$readConfig$3(ConfigFakePlayerData.java:103)
at java.lang.Iterable.forEach(Iterable.java:75)
at essentialaddons.utils.ConfigFakePlayerData.readConfig(ConfigFakePlayerData.java:80)
at essentialaddons.feature.ReloadFakePlayers.loadFakePlayers(ReloadFakePlayers.java:26)
at essentialaddons.EssentialAddons.onServerLoadedWorlds(EssentialAddons.java:63)
at carpet.CarpetServer.lambda$onServerLoadedWorlds$1(CarpetServer.java:104)
at java.util.ArrayList.forEach(ArrayList.java:1511)
at carpet.CarpetServer.onServerLoadedWorlds(CarpetServer.java:104)
at net.minecraft.server.MinecraftServer.handler$zbd000$serverLoadedWorlds(MinecraftServer:2303)
at net.minecraft.server.MinecraftServer.loadWorld(MinecraftServer:345)
at net.minecraft.server.dedicated.MinecraftDedicatedServer.setupServer(MinecraftDedicatedServer:180)
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer:670)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer:273)
at java.lang.Thread.run(Thread.java:833)

A detailed walkthrough of the error, its code path and all known details is as follows:
-- System Details --
Details:
Minecraft Version: 1.18.2
Minecraft Version ID: 1.18.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 17.0.1, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 799014912 bytes (762 MiB) / 2114977792 bytes (2017 MiB) up to 2147483648 bytes (2048 MiB)
CPUs: 16
Processor Vendor: AuthenticAMD
Processor Name: AMD Ryzen 7 5800X 8-Core Processor
Identifier: AuthenticAMD Family 25 Model 33 Stepping 0
Microarchitecture: Zen 3
Frequency (GHz): 3,80
Number of physical packages: 1
Number of physical CPUs: 8
Number of logical CPUs: 16
Graphics card #0 name: AMD Radeon RX 6700 XT
Graphics card #0 vendor: Advanced Micro Devices, Inc. (0x1002)
Graphics card #0 VRAM (MB): 4095,00
Graphics card #0 deviceId: 0x73df
Graphics card #0 versionInfo: DriverVersion=30.0.21000.22018
Memory slot #0 capacity (MB): 8192,00
Memory slot #0 clockSpeed (GHz): 3,20
Memory slot #0 type: DDR4
Memory slot Super-Santa/EssentialAddons#1 capacity (MB): 8192,00
Memory slot Super-Santa/EssentialAddons#1 clockSpeed (GHz): 3,20
Memory slot Super-Santa/EssentialAddons#1 type: DDR4
Virtual memory max (MB): 35755,05
Virtual memory used (MB): 31570,20
Swap memory total (MB): 19456,00
Swap memory used (MB): 845,95
JVM Flags: 1 total; -Xmx2G
Fabric Mods:
carpet: Carpet Mod 1.4.66
carpet-extra: Carpet Extra 1.4.64
carpet-fixes: Carpet Fixes 1.18.x-1.7.0+v220301
carpet-shadow: Carpet Shadow 1.9.5-MC1.18+
carpet-tis-addition: Carpet TIS Addition 1.30.0
com_moandjiezana_toml_toml4j: toml4j 0.7.2
conditional-mixin: conditional mixin 0.1.5
essentialaddons: Essential Addons 1.18.2-1.1.1
fabric: Fabric API 0.48.0+1.18.2
fabric-api-base: Fabric API Base 0.4.4+d7c144a860
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.5.7+d7c144a860
fabric-biome-api-v1: Fabric Biome API (v1) 8.0.3+801ec85b60
fabric-command-api-v1: Fabric Command API (v1) 1.1.9+d7c144a860
fabric-commands-v0: Fabric Commands (v0) 0.2.8+b4f4f6cd60
fabric-containers-v0: Fabric Containers (v0) 0.1.21+d7c144a860
fabric-content-registries-v0: Fabric Content Registries (v0) 3.0.2+d82b939260
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.11+3ac43d9560
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.1.17+2540745460
fabric-entity-events-v1: Fabric Entity Events (v1) 1.4.8+d7c144a860
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.19+d7c144a860
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.13+d7c144a860
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.13+d7c144a860
fabric-item-api-v1: Fabric Item API (v1) 1.3.3+691a79b560
fabric-item-groups-v0: Fabric Item Groups (v0) 0.3.10+3ac43d9560
fabric-language-kotlin: Fabric Language Kotlin 1.7.1+kotlin.1.6.10
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.0.2+2540745460
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.11+d7c144a860
fabric-mining-level-api-v1: Fabric Mining Level API (v1) 2.0.4+d1027f7d60
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.21+d882b91560
fabric-networking-v0: Fabric Networking (v0) 0.3.8+b4f4f6cd60
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 2.0.3+40c91ec860
fabric-particles-v1: Fabric Particles (v1) 0.2.12+526dc1ac60
fabric-permissions-api-v0: fabric-permissions-api 0.1-SNAPSHOT
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.9.8+0d9ab37260
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.7+d7c144a860
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 2.0.2+54e5b2ec60
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 2.0.2+d1027f7d60
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.18+2de5574560
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.14+40c91ec860
fabric-transfer-api-v1: Fabric Transfer API (v1) 1.5.14+cca23f9360
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 1.0.0+40c91ec860
fabricloader: Fabric Loader 0.13.3
fabricproxy: FabricProxy 1.4.10
ferritecore: FerriteCore 4.2.0
java: Java HotSpot(TM) 64-Bit Server VM 17
ledger: Ledger 1.2.4
lithium: Lithium 0.7.9
minecraft: Minecraft 1.18.2
notenoughcrashes: Not Enough Crashes 4.1.4+1.18.1
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.6.10
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.6.10
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.6.10
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.6.10
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.5.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.5.2
org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.3.1
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.3.1
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.3.1
org_yaml_snakeyaml: snakeyaml 1.29
packet_tweaker: Packet Tweaker 0.2.0+1.18-pre1
pca: Plusls carpet addition mod 0.2.5-beta+8e41bb1
plasmo_voice: Plasmo Voice 1.2.11
rug: Rug 1.18.2-1.2.1
server_translations_api: Server Translations API 1.4.9+1.18.2-rc1
servux: Servux 0.1.0
sgui: sgui 1.0.0+1.18.1
syncmatica: Syncmatica 1.18.1-0.3.1
Server Running: true
Player Count: 0 / 7; []
Data Packs: vanilla, file/bundle.zip (incompatible), file/RedPack - Better Armor Stands.zip (incompatible), file/more mob heads v2.9.4.zip (incompatible), file/unlock all recipes v2.0.3.zip (incompatible), file/Carpet RedCraft Addons (incompatible), file/NoCreativeDatapack.zip (incompatible), file/RugData (incompatible), file/ConcretePowderToGlass.zip, file/UnPackablesNetherWart.zip, Fabric Mods
World Generation: Stable
Is Modded: Definitely; Server brand changed to 'fabric'
Type: Dedicated Server (map_server.txt)
Suspected Mods: Minecraft (minecraft), Carpet Mod (carpet), Fabric Networking API (v1) (fabric-networking-api-v1), Plasmo Voice (plasmo_voice), Essential Addons (essentialaddons)