[16:42:43 ERROR]: Command exception: /addrecipe namespace:CapturingLead
org.bukkit.command.CommandException: Unhandled exception executing command 'addrecipe' in plugin GreatCrafts v1.2.1
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.command.brigadier.bukkit.BukkitCommandNode$BukkitBrigCommand.run(BukkitCommandNode.java:91) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at com.mojang.brigadier.context.ContextChain.runExecutable(ContextChain.java:73) ~[brigadier-1.3.10.jar:?]
at net.minecraft.commands.execution.tasks.ExecuteCommand.execute(ExecuteCommand.java:31) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.execution.tasks.ExecuteCommand.execute(ExecuteCommand.java:19) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.execution.UnboundEntryAction.lambda$bind$0(UnboundEntryAction.java:8) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.execution.CommandQueueEntry.execute(CommandQueueEntry.java:5) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.execution.ExecutionContext.runCommandQueue(ExecutionContext.java:103) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.Commands.executeCommandInContext(Commands.java:443) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.Commands.performCommand(Commands.java:350) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.Commands.performCommand(Commands.java:337) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.commands.Commands.performCommand(Commands.java:332) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.network.ServerGamePacketListenerImpl.performUnsignedChatCommand(ServerGamePacketListenerImpl.java:2142) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$11(ServerGamePacketListenerImpl.java:2116) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:151) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1537) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:201) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:125) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1514) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1507) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.util.thread.BlockableEventLoop.runAllTasks(BlockableEventLoop.java:114) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1629) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1304) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:330) ~[paper-1.21.1.jar:1.21.1-15-11b4ac7]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.IllegalArgumentException: Invalid key. Must be [a-z0-9/._-]: CapturingLead
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:218) ~[guava-32.1.2-jre.jar:?]
at org.bukkit.NamespacedKey.<init>(NamespacedKey.java:87) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at greatcrafts-1.2.1.jar/io.github.greatericontop.greatcrafts.commands.AddRecipeCommand.onCommand(AddRecipeCommand.java:64) ~[greatcrafts-1.2.1.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
... 26 more
Getting this error