---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 7/7/22, 9:39 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Cannot invoke "String.isEmpty()" because "$$0" is null
at net.minecraft.class_2519.method_23256(class_2519.java:71)
at net.minecraft.class_2487.method_10582(class_2487.java:231)
at com.github.clevernucleus.opc.impl.PlayerCacheImpl.toNbt(PlayerCacheImpl.java:150)
at net.minecraft.class_31.handler$cjp000$onUpdateProperties(class_31.java:697)
at net.minecraft.class_31.method_158(class_31.java)
at net.minecraft.class_31.method_163(class_31.java:231)
at net.minecraft.class_32$class_5143.method_27426(class_32.java:340)
at net.minecraft.server.MinecraftServer.method_3723(MinecraftServer.java:568)
at net.minecraft.server.MinecraftServer.method_39218(MinecraftServer.java:585)
at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:848)
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:684)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:270)
at java.base/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: 1.18.1
Minecraft Version ID: 1.18.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 17.0.2, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 967185312 bytes (922 MiB) / 4160749568 bytes (3968 MiB) up to 8388608000 bytes (8000 MiB)
CPUs: 12
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
Identifier: Intel64 Family 6 Model 165 Stepping 3
Microarchitecture: unknown
Frequency (GHz): 2.90
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: NVIDIA GeForce GTX 745
Graphics card #0 vendor: NVIDIA (0x10de)
Graphics card #0 VRAM (MB): 4095.00
Graphics card #0 deviceId: 0x1382
Graphics card #0 versionInfo: DriverVersion=30.0.15.1252
Memory slot #0 capacity (MB): 8192.00
Memory slot #0 clockSpeed (GHz): 2.67
Memory slot #0 type: DDR4
Memory slot #1 capacity (MB): 8192.00
Memory slot #1 clockSpeed (GHz): 2.67
Memory slot #1 type: DDR4
Virtual memory max (MB): 24694.07
Virtual memory used (MB): 21195.79
Swap memory total (MB): 8412.45
Swap memory used (MB): 1772.09
JVM Flags: 2 total; -Xmx8000M -Xms1024M
Fabric Mods:
advanced_runtime_resource_pack: Runtime Resource Pack 0.2.9
adventurez: AdventureZ 1.4.9
alloy_forgery: Alloy Forgery 2.0.9+1.18
amethystequipment: Amethyst Equipment 1.18.1
anvil_fix: AnvilFix development+custom-1.18
appleskin: AppleSkin 2.3.0+mc1.18.1
arcanus: Arcanus 1.27
architectury: Architectury 3.9.55
awesomedungeon: Awesome Dungeon 2.0.8
awesomedungeonend: Awesome Dungeon Edition end 1.0.0
awesomedungeonnether: Awesome Dungeon Edition Nether 1.0.1
awesomedungeonocean: Awesome Dungeon Edition Ocean 2.0.6
balm-fabric: Balm 2.4.3+0
basicshields: Basic Shields [Fabric] 1.2.1-1.18.1
bclib: BCLib 1.3.5
betterend: Better End 1.0.3
betternether: Better Nether 6.0.12
betterstrongholds: YUNG's Better Strongholds 1.18.1-1.0.1
boneequipment: Bone Equipment 1.18.1
bookshelf: Bookshelf 12.0.23
bosses_of_mass_destruction: Bosses of Mass Destruction (Beta) 1.3.5-1.18
botania: Botania 1.18.1-429-FABRIC
cardinal-components-base: Cardinal Components API (base) 4.1.3
cardinal-components-block: Cardinal Components API (blocks) 4.0.1
cardinal-components-entity: Cardinal Components API (entities) 4.1.3
cardinal-components-item: Cardinal Components API (items) 4.0.1
cardinal-components-world: Cardinal Components API (worlds) 4.0.0
carrier: Carrier 1.9.1
cavetweaks: Cave Tweaks 1.0
cleancut: CleanCut 1.18-4.0-fabric
cloth-api: Cloth API 3.1.61
cloth-basic-math: cloth-basic-math 0.6.1
cloth-client-events-v0: Cloth Client Events v0 3.1.61
cloth-common-events-v1: Cloth Common Events v1 3.1.61
cloth-config: Cloth Config v6 6.2.62
cloth-config-lite: cloth-config-lite 2.0.6
cloth-datagen-api-v1: Cloth Datagen v1 3.1.61
cloth-utils-v1: Cloth Utils v1 3.1.61
clumps: Clumps 8.0.0+5
collective-fabric: Collective (Fabric) 4.9
com_electronwill_night-config_core: core 3.6.3
com_electronwill_night-config_toml: toml 3.6.3
com_eliotlash_mclib_mclib: mclib 18
com_eliotlash_molang_molang: molang 18
com_velocitypowered_velocity-native: velocity-native 1.1.0-SNAPSHOT
companion: Companion 1.2.1
copperequipment: Copper Equipment fabric-1.18.1-v2.0.0
crafttweaker: CraftTweaker 9.0.81
crawl: Crawl 0.10.2
creeperoverhaul: Creeper Overhaul 0.3.0
crosshairmod: Crosshair Mod 0.4.3
crowdin-translate: CrowdinTranslate 1.3+1.17
customportalapi: Custom Portal Api 0.0.1-beta49-1.18
damagetilt: Damage Tilt 1.18-fabric-0.1.2
dataattributes: Data Attributes 1.1.5
defaultoptions: Default Options 14.1.0
dehydration: Dehydration 1.2.7
doublejump: Double Jump Mod 1.0.1+mc1.18
dragonloot: DragonLoot 1.0.10
dummmmmmy: MmmMmmMmmMmm 1.18-1.5.0
dungeons_arise: When Dungeons Arise 2.1.49d-fabric
dusk: Dusk Mod 1.18.2-1.9
edenring: EdenRing 0.3.0
elytratrinket: Elytra Trinket 3.0.0-1.18.1
emeraldequipment: Emerald Equipment 1.18.1
enchantment_force: enchantment_force 0.1.7
enhancedcelestials: Enhanced Celestials 2.0.6
environmentz: EnvironmentZ 1.2.1
experiencebugfix: Experience Bug Fix 18
extended_armor_bars: Extended Armor Bars 1.1.0
extraalchemy: Extra Alchemy 1.7.0
fabric: Fabric API 0.46.6+1.18
fabric-api-base: Fabric API Base 0.4.2+d7c144a865
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.5.3+d7c144a865
fabric-biome-api-v1: Fabric Biome API (v1) 6.0.2+d7c144a865
fabric-command-api-v1: Fabric Command API (v1) 1.1.7+d7c144a865
fabric-commands-v0: Fabric Commands (v0) 0.2.6+b4f4f6cd65
fabric-containers-v0: Fabric Containers (v0) 0.1.19+d7c144a865
fabric-content-registries-v0: Fabric Content Registries (v0) 0.4.9+d7c144a865
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.9+3ac43d9565
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.1.10+a1d9bbf565
fabric-entity-events-v1: Fabric Entity Events (v1) 1.4.6+d7c144a865
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.17+d7c144a865
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.9+d7c144a865
fabric-furnaces: Fabric Furnaces 2.1.0-1.18.1
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.11+d7c144a865
fabric-item-api-v1: Fabric Item API (v1) 1.3.1+691a79b565
fabric-item-groups-v0: Fabric Item Groups (v0) 0.3.7+3ac43d9565
fabric-language-kotlin: Fabric Language Kotlin 1.7.4+kotlin.1.6.21
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.4.13+713c266865
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.9+d7c144a865
fabric-mining-level-api-v1: Fabric Mining Level API (v1) 1.0.7+d7c144a865
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.12+b4f4f6cd65
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.19+d7c144a865
fabric-networking-v0: Fabric Networking (v0) 0.3.6+b4f4f6cd65
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.11.5+737332ce65
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.13+d7c144a865
fabric-particles-v1: Fabric Particles (v1) 0.2.10+526dc1ac65
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.9.2+ad01bfbd65
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.5+d7c144a865
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.19+3ac43d9565
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 1.0.2+d7c144a865
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.15+8906aafd65
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.12+d7c144a865
fabric-structure-api-v1: Fabric Structure API (v1) 2.1.3+d7c144a865
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.2.9+d7c144a865
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.3.9+fb3b57b465
fabric-transfer-api-v1: Fabric Transfer API (v1) 1.5.10+c329913d65
fabricenchantments: Fabric Enchantments 0.7.1
fabricloader: Fabric Loader 0.13.3
fabricshieldlib: Fabric Shield Lib 1.5.0-1.18
farsighted-mobs: Farsighted Mobs 1.1-1.18
feature_nbt_deadlock_be_gone: Feature NBT Deadlock Be Gone - Fabric 1.0.1+1.18.1
ferritecore: FerriteCore 4.1.2
fiber: fiber 0.23.0-2
flintytools: Flinty Tools 1.1.1
forgeconfigapiport: Forge Config API Port 3.1.1
gateofbabylon: Gate Of Babylon 1.6.0-1.18.1
geckolib3: Geckolib 3.0.33
gobber2: Gobber2 2.5.63.3
graveyard: The Graveyard 1.6
greater_eye: Greater Eye of Ender 1.3.21
gud_recipe_confidence: Recipe Confidence 1.0.2
heartytrinkets: Hearty Trinkets 1.18.1-1.0.0
hookshot: Hookshot 24.0
hoverpets: Hover Pets 0.2.0
iceberg: Iceberg 1.0.38
impaled: Impaled 1.0.3
imperishableitems: Imperishable Items 2.1.2
incantationem: Incantationem 1.1.3+1.18.1
incubus_core: Incubus Core 1.6.6+1.18.1
infusion_table: Infusion Table 1.0.5
ingredient-extension-api: Ingredient Extension API 2.0.1
inmis: Inmis 2.5.1-1.18.1
interactic: Interactic 0.1.8+1.18
java: Java HotSpot(TM) 64-Bit Server VM 17
kanos_config: Kanos Config 0.3.1+1.14.4-1.19
kjsextras: KubeJS Extras 1.5.0
konkrete: Konkrete 1.3.3
krypton: Krypton 0.1.9
kubejs: KubeJS 1801.4.3-build.310
lazydfu: LazyDFU 0.1.2
libraryferret: Library Ferret 1.0.3
lychee: Lychee Tweaker 1.5.1
maelstrom_library: Maelstrom Library 1.2.3-1.18-rc3
magiccombatwands: Magic Combat Wands 1.0.1
magna: Magna 1.7.0-1.18-pre1
mcda: MC Dungeons Armors 2.0.6
mcdar: MC Dungeons Artifacts 1.4.8
mcdw: MC Dungeons Weapons 4.3.2
megaparrot: Megaparrot 1.0.3
mesh: Mesh 0.19.0-alpha
mesh_api: Mesh API 0.19.0-alpha
minecraft: Minecraft 1.18.1
mm: Manningham Mills 2.3
mobz: MobZ 3.3.1
morebannerfeatures: More Banner Features 1.1.3
moretags: More Tags 2.0.2
morevillagers-fabric: MoreVillagersFabric 3.1.1-SNAPSHOT
mostructures: Mo' Structures 1.3.1+1.18.1
multipart_entities: MultipartEntities 1.1.4-1.18-rc3
mythicmetals: Mythic Metals 0.12.2
mythicmounts: Mythic Mounts 1.18.1-7.0
net_objecthunter_exp4j: exp4j 0.4.8
no_null_processors: No Null Processors - Fabric 2.0.1+1.18.1
numismatic-overhaul: Numismatic Overhaul 0.1.8+1.18
nyfsquiver: Nyf's Quivers Fabric-0.4.0-1.18
omega-config: OmegaConfig 1.2.3-1.18.1
omega-config-gui: Omega Config GUI 1.2.1-1.18.1
opc: Offline Player Cache 0.0.1
openloader: OpenLoader 11.0.4
org_javassist_javassist: javassist 3.28.0-GA
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.6.21
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.6.21
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.6.21
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.6.21
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.6.1
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.6.1
org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm: kotlinx-serialization-cbor-jvm 1.3.2
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.3.2
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.3.2
org_reflections_reflections: reflections 0.10.2
oro_config: OroArmor Config 2.1.0
owo: oωo 0.5.2+1.18
patchouli: Patchouli 1.18.1-65-FABRIC
pehkui: Pehkui 3.3.0+1.14.4-1.19
placeholder-api: Placeholder API 1.1.3+1.17.1
playerabilitylib: Pal 1.5.0
playerex: PlayerEx 3.1.4
polymorph: Polymorph 0.0.20-1.18.2
pugh_lib: Pugh Lib 1.2.15
pugh_tools: Pugh Tools 1.1.22
puzzleslib: Puzzles Lib 3.2.1
reach-entity-attributes: Reach Entity Attributes 2.1.1
reinfbarrel: Reinforced Barrels 2.0.0+1.18
reinfchest: Reinforced Chests 2.0.0+1.18
reinfcore: Reinforced Core 2.0.0+1.18
reinfshulker: Reinforced Shulker Boxes 2.0.0+1.18
repurposed_structures: Repurposed Structures 3.3.12+1.18.1
reroll: Reroll 1.4.0-1.18.1
rhino: Rhino 1801.1.9-build.135
ringsofascension: Rings of Ascension 1.0
roughlyenoughitems: Roughly Enough Items 7.4.456
roughlyenoughresources: Roughly Enough Resources 2.4.1
runelic: Runelic 10.0.6
sculk_worm: Sculk Worm 0.1.5
skyvillages: Sky Villages 1.0.1-1.18.1-fabric
smoothboot: Smooth Boot 1.18-1.7.0
stacc: Stacc 1.3.0
starlight: Starlight 1.0.0+fabric.d0a3220
step-height-entity-attribute: Step Height Entity Attribute 1.0.0
stoneholm: Stoneholm 1.4.2
tellme: TellMe 0.9.0
the_aether: Paradise Lost 1.6.9+1.18.1
things: Things 0.2.15+1.18
tinyskeletons: Tiny Skeletons 3.1.0
toolstats: ToolStats 8.0.6
torchbowmod: TorchBowMod 1.0
totw_additions: Towers of the Wild: Additions 1.1.0
towers_of_the_wild_reworked: Towers of the Wild: Reworked 2.2.0
tradingpost: Trading Post 3.1.2
trashslot: TrashSlot 11.0.2
travelersbackpack: Traveler's Backpack 1.18.1-7.0.0
treeaxe: The TreeAxe 1.1.32.3
trinketofundying: Trinket of Undying 2.0.1-1.18
trinkets: Trinkets 3.2.0
trulytreasures: Truly Treasures fabric-1.18.1-2.0.1
victus: Victus 0.1.7+1.18
voidtotem: VoidTotem (Fabric) 1.18.1-1.2.0
voidz: VoidZ 1.0.5
waystones: Waystones 9.0.4
x-enchant: X-Enchant 1.18-8.6
xp_storage: XP Storage 1.4.3+1.18
xtraarrows: Xtra Arrows 1.8.1
yigd: You're in Grave Danger 1.2.25
yungsapi: YUNG's API 1.18-Fabric-36
zombified: Zombified 1.3.0
Server Running: true
Player Count: 1 / 20; [class_3222['Hoyoyo_'/1226, l='ServerLevel[world]', x=44658.28, y=66.00, z=79.29]]
Data Packs: vanilla, Fabric Mods, data/Repurposed_Structures-More_Villagers_v4.zip
Is Modded: Definitely; Server brand changed to 'fabric'
Type: Dedicated Server (map_server.txt)

应该是playerex这个mod的问题，这个mod在3.2.0版本修复了，但3.2.0只能用在1.18.2