java.lang.NullPointerException: Cannot invoke "java.lang.Class.getConstructors()" because "this.npcClass" is null

[jwdeveloper]

java.lang.NullPointerException: Cannot invoke "java.lang.Class.getConstructors()" because "this.npcClass" is null
at net.jitse.npclib.NPCLib.createNPC(NPCLib.java:114) ~[?:?]
at net.jitse.npclib.NPCLib.createNPC(NPCLib.java:128) ~[?:?]
at io.jwdeveloper.spigot.stocks.commands.StockCommands.bank(StockCommands.java:31) ~[?:?]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at io.github.jwdeveloper.spigot.commands.templates.TemplateMethodHandler.invokeEvent(TemplateMethodHandler.java:37) ~[?:?]
at io.github.jwdeveloper.spigot.commands.services.EventsService.executeAction(EventsService.java:80) ~[?:?]
at io.github.jwdeveloper.spigot.commands.services.EventsService.invoke(EventsService.java:36) ~[?:?]
at io.github.jwdeveloper.spigot.commands.services.CommandServices.execute(CommandServices.java:54) ~[?:?]
at io.github.jwdeveloper.spigot.commands.FluentCommand.executeCommand(FluentCommand.java:70) ~[?:?]
at io.github.jwdeveloper.spigot.commands.FluentCommand.execute(FluentCommand.java:55) ~[?:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:150) ~[spigot-api-1.21-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_21_R1.CraftServer.dispatchCommand(CraftServer.java:913) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at org.bukkit.craftbukkit.v1_21_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:50) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at com.mojang.brigadier.context.ContextChain.runExecutable(ContextChain.java:73) ~[brigadier-1.2.9.jar:?]
at net.minecraft.commands.execution.tasks.ExecuteCommand.a(SourceFile:29) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.execution.tasks.ExecuteCommand.execute(SourceFile:13) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.execution.UnboundEntryAction.a(SourceFile:8) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.execution.CommandQueueEntry.a(SourceFile:8) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.execution.ExecutionContext.a(SourceFile:107) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.CommandDispatcher.a(CommandDispatcher.java:414) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.CommandDispatcher.performCommand(CommandDispatcher.java:336) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.commands.CommandDispatcher.a(CommandDispatcher.java:323) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.network.PlayerConnection.b(PlayerConnection.java:1842) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.network.PlayerConnection.lambda$handleChatCommand$7(PlayerConnection.java:1818) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.TickTask.run(SourceFile:18) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.util.thread.IAsyncTaskHandler.d(SourceFile:162) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(SourceFile:23) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1270) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:203) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.util.thread.IAsyncTaskHandler.B(SourceFile:136) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.bv(MinecraftServer.java:1249) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.B(MinecraftServer.java:1242) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.util.thread.IAsyncTaskHandler.b(SourceFile:145) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1207) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.v_(MinecraftServer.java:1214) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1078) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:318) ~[spigot-1.21-R0.1-SNAPSHOT.jar:4226-Spigot-146439e-2889b3a]
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]