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My server keeps crashing, I don't know if they're the mods, If someone can help me i would be so happy

[21Sep2020 06:02:45.860] [Server thread/ERROR] [net.minecraft.server.MinecraftServer/]: Encountered an unexpected exception

[21Sep2020 06:02:45.826] [Server thread/FATAL] [net.minecraftforge.fml.javafmlmod.FMLJavaModLanguageProvider/LOADING]: Unable to load FMLModContainer, wut?

[21Sep2020 06:02:45.762] [Server thread/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Failed to load class thut.tech.common.TechCore

here is the log: https://mclo.gs/tj0QupU

Quote from Roman

You installed ThutTech which depends on ThutCore. Did you also install the dependency?

I deleted that mod and it's dependences, now I have another problem, when I try to join my server it says "Failed to synchronize registry data, closing connection", how can I fix it to play on my server

Quote from Bluewy

Share your client logs

It's ok, thanks for helping me, I've just deleted a mod and now it works fine, now the problem is my skin, I have Minecraft premium and when I join to the server I have the steve's skin, here's my mod list

[1.14.4] SecurityCraft v1.8.19.1

Aquaculture-1.14.4-2.0.7

BasicNetherOres-1.14.4-3.2.6

BLoodcraft 5 1.14.4 1.7.1

blue_skies-1.14.4-1.0.0

CarryOn MC1.14.4 v1.12.3

citadel-1.0.4-1.14.4

ClickMachine-1.14.4-2.1.2

DMC-Weapons-1.14.4-1.0.0

ExpOre-1.14.4-1.4

extlights-1.8

extraboats-1.2.6-1.14.4

extragolems-9.0.7

farlanders-1.14.4-1.1.2

ferroustry-1.3b

fimbulwinter-1.1.2

furniture-7.0.0-pre15-1.14.4

GeneticAnimals_0_4_13

Hwyla-forge-1.10.6-B67_1.14.4

ironchest-1.14.4-9.1.5

japanese_food_mod-1.14.4-1.0.13

jei-1.14.4-6.0.1.30

journeymap-1.14.4-5.7.0b3

LibraryEx-1.14.4-2.1.0

Mantle-1.14.4-1.4.32

mysticalwildlife-1.14.4-1.3.4

pamhc2crops-1.14.4-1.0.4

pamhc2foodcore-1.14.4-1.1.0

pamhc2foodextended-1.14.4-1.0.0

pamhc2trees-1.14.4-1.0.2

pandoras_creatures-1.14.4-0.13.1

parachutemod-1.14.4-2.2.1-456

Patchouli-1.14.4-1.1-26.5

Placebo-1.14.4-2.3.5

SilentLib-1.14.4-4.4.0+44

SpartanShields-1.14.4-2.1.0

StorageDrawers-1.14.4-6.0.7

structure-gel-api-1.14.4-1.1.0

TMechworks-1.14.4-2.0.1

tombstone-4.3.6-1.14.4

TorchBandolier-1.14.4-1.3.2+7

Trapcraft-1.14.4-2.6.2

tubesreloaded-1.14.4-1.1.1c

tumbleweed-1.14-0.4.7

u_team_core-1.14.4-2.8.2.150

Unique Dungeons

Uppers-0.1.11

useful_backpacks-1.14.4-1.7.6.60

Vampirism-1.14.4-1.7.0-beta.1

weapon_craftery-1.14.4-1.0-Beta-4

Wyrmroost-1.14.4-1.1.0

xptome-1.14.4-v1.1.6

Quote from Bluewy

Probably your server being cracked

Like other non premium players can join the server is affecting?

Quote from Bluewy

Check https://aternos.org/options/

See if cracked is turned on

Yes, it is turned on, I have other server where cracked is also turned on and my skin doesnt change

Quote from Bluewy

Skins don't work with cracked. If it does on the other server it probably has a plugin or something causing that, or your client

Oh, yeah, it has a plugin to change skin, well, thanks for your time!, you really helped me