Error occured while executing command 'rg'

[schneidermanuel]

Get this Error, when trying to do /rg

Executed in world "test_1" by player "BrainyXS" [Server thread/ERROR] [Sponge]: Error occurred while executing command 'rg' for source GCEntityPlayerMP['BrainyXS'/703, l='test_1', x=99.37, y=164.86, z=281.15]: org/spongepowered/api/data/meta/ItemEnchantment java.lang.NoClassDefFoundError: org/spongepowered/api/data/meta/ItemEnchantment at com.universeguard.utils.Utils.getSelector(Utils.java:35) ~[Utils.class:?] at com.universeguard.commands.RegionExecutor.execute(RegionExecutor.java:22) ~[RegionExecutor.class:?] at org.spongepowered.api.command.args.ChildCommandElementExecutor.execute(ChildCommandElementExecutor.java:250) ~[ChildCommandElementExecutor.class:1.12.2-2838-7.3.0] at org.spongepowered.api.command.spec.CommandSpec.process(CommandSpec.java:388) ~[CommandSpec.class:1.12.2-2838-7.3.0] at org.spongepowered.common.command.SpongeCommandDispatcher.process(SpongeCommandDispatcher.java:355) ~[SpongeCommandDispatcher.class:1.12.2-2838-7.3.0] at org.spongepowered.common.command.SpongeCommandManager.process(SpongeCommandManager.java:360) [SpongeCommandManager.class:1.12.2-2838-7.3.0] at net.minecraft.command.ServerCommandManager.executeCommand(SourceFile:665) [dh.class:?] at net.minecraft.network.NetHandlerPlayServer.handleSlashCommand(NetHandlerPlayServer.java:962) [pa.class:?] at net.minecraft.network.NetHandlerPlayServer.processChatMessage(NetHandlerPlayServer.java:941) [pa.class:?] at net.minecraft.network.play.client.CPacketChatMessage.processPacket(SourceFile:37) [la.class:?] at net.minecraft.network.play.client.CPacketChatMessage.processPacket(SourceFile:9) [la.class:?] at org.spongepowered.common.event.tracking.phase.packet.PacketPhaseUtil.onProcessPacket(PacketPhaseUtil.java:219) [PacketPhaseUtil.class:1.12.2-2838-7.3.0] at net.minecraft.network.PacketThreadUtil$1.redirect$zlc000$impl$redirectToPhaseTracker(SourceFile:540) [hv$1.class:?] at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [hv$1.class:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_292] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_292] at net.minecraft.util.Util.runTask(SourceFile:529) [h.class:?] at org.spongepowered.common.SpongeImplHooks.onUtilRunTask(SpongeImplHooks.java:310) [SpongeImplHooks.class:1.12.2-2838-7.3.0] at net.minecraft.server.MinecraftServer.redirect$zjg000$onRun(MinecraftServer.java:4682) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:723) [MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:397) [nz.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]