Floods Console with error

`/version` output

1.20.1
api version 1.20.1-R0.1-SNAPSHOT

`/version Citizens` output

2.0.32-snapshot (build 3135)

Profiler report

No response

Description

Keeps flooding my server with errors.

[21:39:32 WARN]: java.lang.IllegalArgumentException: java.lang.ClassCastException@56d142d1 [21:39:32 WARN]: at jdk.internal.reflect.GeneratedMethodAccessor76.invoke(Unknown Source) [21:39:32 WARN]: at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [21:39:32 WARN]: at java.base/java.lang.reflect.Method.invoke(Method.java:568) [21:39:32 WARN]: at Citizens.jar//net.citizensnpcs.EventListen.lambda$registerKnockbackEvent$5(EventListen.java:724) [21:39:32 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [21:39:32 WARN]: at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) [21:39:32 WARN]: at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) [21:39:32 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615) [21:39:32 WARN]: at org.bukkit.event.Event.callEvent(Event.java:45) [21:39:32 WARN]: at net.minecraft.world.entity.Entity.push(Entity.java:2120) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.EntityArrow.a(EntityArrow.java:419) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.IProjectile.a(IProjectile.java:196) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.IProjectile.preOnHit(IProjectile.java:187) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.EntityArrow.preOnHit(EntityArrow.java:296) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.EntityArrow.l(EntityArrow.java:232) [21:39:32 WARN]: at net.minecraft.world.entity.projectile.EntityTippedArrow.l(EntityTippedArrow.java:112) [21:39:32 WARN]: at net.minecraft.server.level.WorldServer.a(WorldServer.java:1352) [21:39:32 WARN]: at net.minecraft.world.level.World.a(World.java:919) [21:39:32 WARN]: at net.minecraft.server.level.WorldServer.lambda$tick$12(WorldServer.java:872) [21:39:32 WARN]: at net.minecraft.world.level.entity.EntityTickList.a(EntityTickList.java:42) [21:39:32 WARN]: at net.minecraft.server.level.WorldServer.a(WorldServer.java:852) [21:39:32 WARN]: at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1543) [21:39:32 WARN]: at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:447) [21:39:32 WARN]: at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1394) [21:39:32 WARN]: at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1171) [21:39:32 WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:318) [21:39:32 WARN]: at java.base/java.lang.Thread.run(Thread.java:833)

[21:50:20 ERROR]: [Shopkeepers] Shopkeeper 17: Error during ticking! java.lang.IllegalStateException: no implementation set at net.citizensnpcs.api.CitizensAPI.getImplementation(CitizensAPI.java:92) ~[Citizens.jar:?] at net.citizensnpcs.api.CitizensAPI.getNPCRegistry(CitizensAPI.java:132) ~[Citizens.jar:?] at com.nisovin.shopkeepers.shopobjects.citizens.SKCitizensShopObject.getNPC(SKCitizensShopObject.java:195) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopobjects.citizens.SKCitizensShopObject.onTick(SKCitizensShopObject.java:664) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopkeeper.AbstractShopkeeper.onTick(AbstractShopkeeper.java:1584) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopkeeper.AbstractShopkeeper.tick(AbstractShopkeeper.java:1540) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopkeeper.ticking.ShopkeeperTicker.tickShopkeeper(ShopkeeperTicker.java:274) ~[Shopkeepers-2.16.5.jar:?] at java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] at com.nisovin.shopkeepers.shopkeeper.ticking.ShopkeeperTicker.tickShopkeepers(ShopkeeperTicker.java:244) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopkeeper.ticking.ShopkeeperTicker.access$200(ShopkeeperTicker.java:21) ~[Shopkeepers-2.16.5.jar:?] at com.nisovin.shopkeepers.shopkeeper.ticking.ShopkeeperTicker$ShopkeeperTickTask.run(ShopkeeperTicker.java:235) ~[Shopkeepers-2.16.5.jar:?] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.20.1.jar:git-Paper-31] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:480) ~[paper-1.20.1.jar:git-Paper-31] at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1480) ~[paper-1.20.1.jar:git-Paper-31] at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.20.1.jar:git-Paper-31] at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1394) ~[paper-1.20.1.jar:git-Paper-31] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1171) ~[paper-1.20.1.jar:git-Paper-31] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:318) ~[paper-1.20.1.jar:git-Paper-31] at java.lang.Thread.run(Thread.java:833) ~[?:?]

CitizensDev / Citizens2