Crash during startup. 1.16.5

Exception caught during firing event: class com.polarfox27.jobs.data.JobsInfo cannot be cast to class de.teamlapen.werewolves.player.werewolf.WerewolfPlayer (com.polarfox27.jobs.data.JobsInfo and de.teamlapen.werewolves.player.werewolf.WerewolfPlayer are in unnamed module of loader cpw.mods.modlauncher.TransformingClassLoader @3305897c)
Index: 5
Listeners:
0: NORMAL
1: ASM: class com.github.alexthe666.alexsmobs.event.ServerEvents onEntityResize(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
2: ASM: class com.minecraftabnormals.personality.common.CommonEvents onEvent(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
3: ASM: class com.minecraftabnormals.upgrade_aquatic.core.events.EntityEvents onDrownedPoseChange(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
4: ASM: class com.simibubi.create.content.contraptions.components.deployer.DeployerFakePlayer deployerHasEyesOnHisFeet(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
5: ASM: de.teamlapen.werewolves.player.ModPlayerEventHandler@cdaaabe playerSize(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
6: ASM: de.teamlapen.vampirism.player.ModPlayerEventHandler@61311990 eyeHeight(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
7: ASM: de.teamlapen.vampirism.entity.ModEntityEventHandler@32447f68 onEyeHeightSet(Lnet/minecraftforge/event/entity/EntityEvent$Size;)V
java.lang.ClassCastException: class com.polarfox27.jobs.data.JobsInfo cannot be cast to class de.teamlapen.werewolves.player.werewolf.WerewolfPlayer (com.polarfox27.jobs.data.JobsInfo and de.teamlapen.werewolves.player.werewolf.WerewolfPlayer are in unnamed module of loader cpw.mods.modlauncher.TransformingClassLoader @3305897c)
at net.minecraftforge.common.util.LazyOptional.map(LazyOptional.java:210)
at de.teamlapen.werewolves.player.ModPlayerEventHandler.playerSize(ModPlayerEventHandler.java:210)
at net.minecraftforge.eventbus.ASMEventHandler_2082_ModPlayerEventHandler_playerSize_Size.invoke(.dynamic)
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283)
at net.minecraftforge.event.ForgeEventFactory.getEntitySizeForge(ForgeEventFactory.java:781)
at net.minecraft.entity.Entity.func_213323_x_(Entity.java:2360)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer.switchForm(WerewolfPlayer.java:129)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer.loadData(WerewolfPlayer.java:556)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer$Storage.readNBT(WerewolfPlayer.java:671)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer$Storage.readNBT(WerewolfPlayer.java:660)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer$1.deserializeNBT(WerewolfPlayer.java:643)
at de.teamlapen.werewolves.player.werewolf.WerewolfPlayer$1.deserializeNBT(WerewolfPlayer.java:625)
at net.minecraftforge.common.capabilities.CapabilityDispatcher.deserializeNBT(CapabilityDispatcher.java:139)
at net.minecraftforge.common.capabilities.CapabilityProvider.deserializeCaps(CapabilityProvider.java:96)
at net.minecraft.entity.Entity.func_70020_e(Entity.java:1483)
at net.minecraft.world.storage.PlayerData.func_237336_b_(PlayerData.java:56)
at net.minecraft.server.management.PlayerList.func_72380_a(PlayerList.java:294)
at net.minecraft.server.management.PlayerList.func_72355_a(PlayerList.java:128)
at net.minecraft.network.login.ServerLoginNetHandler.func_147326_c(ServerLoginNetHandler.java:118)
at net.minecraft.network.login.ServerLoginNetHandler.func_73660_a(ServerLoginNetHandler.java:65)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:222)
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:134)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:865)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:291)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787)
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642)
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232)
at java.base/java.lang.Thread.run(Thread.java:834)

Actually it doesnt crash. It just doesnt let the players join the server

Ok, apparently player capabilities aren't compatible with other mods, I'll try to fix that, but it could take a long time