Jul 31 21:21:05 Dedi java[5425]: [21:21:05 FATAL]: Error executing task Jul 31 21:21:05 Dedi java[5425]: java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Unknown tree generator net.minecraft.server.v1_13_R1.WorldGenFores Jul 31 21:21:05 Dedi java[5425]: at java.util.concurrent.FutureTask.report(FutureTask.java:123) ~[?:?] Jul 31 21:21:05 Dedi java[5425]: at java.util.concurrent.FutureTask.get(FutureTask.java:193) ~[?:?] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.SystemUtils.a(SourceFile:199) [spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:884) [spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:411) [spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:819) [spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:717) [spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at java.lang.Thread.run(Thread.java:804) [?:?] Jul 31 21:21:05 Dedi java[5425]: Caused by: java.lang.IllegalArgumentException: Unknown tree generator net.minecraft.server.v1_13_R1.WorldGenForestTree@3c3f7e0e Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.WorldGenMegaTreeProvider.a(WorldGenMegaTreeProvider.java:38) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00 Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.WorldGenMegaTreeProvider.a(WorldGenMegaTreeProvider.java:15) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00 Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.BlockSapling.grow(BlockSapling.java:66) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.BlockSapling.b(BlockSapling.java:80) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.ItemBoneMeal.a(SourceFile:53) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.ItemBoneMeal.a(SourceFile:26) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.ItemStack.placeItem(ItemStack.java:161) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.PlayerInteractManager.a(PlayerInteractManager.java:504) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.PlayerConnection.a(PlayerConnection.java:1227) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.PlayerConnectionUtils.a(SourceFile:10) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823] Jul 31 21:21:05 Dedi java[5425]: at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514) ~[?:?] Jul 31 21:21:05 Dedi java[5425]: at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?] Jul 31 21:21:05 Dedi java[5425]: at net.minecraft.server.v1_13_R1.SystemUtils.a(SourceFile:198) ~[spigot-1.13.jar:git-Spigot-f68f5a8-4b00823]