[13:27:52 WARN]: java.lang.Throwable: Warning: A plugin is creating a recipe using a Deprecated method. This will cause you to receive warnings stating 'Tried to load unrecognized recipe: bukkit:<ID>'. Please ask the author to give their recipe a static key using NamespacedKey.
[13:27:52 WARN]: 	at org.bukkit.inventory.ShapedRecipe.<init>(ShapedRecipe.java:26)
[13:27:52 WARN]: 	at co.kepler.fastcraftplus.util.RecipeUtil.cloneRecipe(RecipeUtil.java:275)
[13:27:52 WARN]: 	at co.kepler.fastcraftplus.recipes.FastRecipe.getRecipe(FastRecipe.java:57)
[13:27:52 WARN]: 	at co.kepler.fastcraftplus.recipes.FastRecipe.craft(FastRecipe.java:217)
[13:27:52 WARN]: 	at co.kepler.fastcraftplus.craftgui.buttons.GUIButtonRecipe.onClick(GUIButtonRecipe.java:118)
[13:27:52 WARN]: 	at co.kepler.fastcraftplus.api.gui.GUI$GUIListener.onInventoryClick(GUI.java:205)
[13:27:52 WARN]: 	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor804.execute(Unknown Source)
[13:27:52 WARN]: 	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:27:52 WARN]: 	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:27:52 WARN]: 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:27:52 WARN]: 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:2002)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[13:27:52 WARN]: 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[13:27:52 WARN]: 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[13:27:52 WARN]: 	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666)
[13:27:52 WARN]: 	at java.lang.Thread.run(Thread.java:748)