@red51, I realize that this plugin is not your responsibility, but the pnb plugin is throwing errors on our server. I have not been able to pin down what exactly is happening when the error occurs, but this is what shows in the log and chat window (for admins)...
PLUGIN EXCEPTION (com.vms.PlanksAndBeams, 0.4.1b, Maurizio M. Gavioli aka Miwarre) ---->
java.lang.NullPointerException
at com.vistamaresoft.rwgui.GuiVerticalLayout.getItemId(GuiVerticalLayout.java:134)
at com.vistamaresoft.rwgui.GuiModalWindow.onTextEntry(GuiModalWindow.java:155)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at pluginapi.PluginEventHandler.triggerEvent(SourceFile:201)
at G.c.a(SourceFile:2740)
at G.c.messageReceived(SourceFile:182)
at de.jiw.network.kernel.KernelAdapter.dispatch(KernelAdapter.java:188)
at de.jiw.network.message.RawPacket.run(RawPacket.java:54)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
PLUGIN EXCEPTION (com.vms.PlanksAndBeams, 0.4.1b, Maurizio M. Gavioli aka Miwarre) ---->
java.lang.NullPointerException
at com.vistamaresoft.rwgui.GuiVerticalLayout.getItemId(GuiVerticalLayout.java:134)
at com.vistamaresoft.rwgui.GuiModalWindow.onTextEntry(GuiModalWindow.java:155)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at pluginapi.PluginEventHandler.triggerEvent(SourceFile:201)
at G.c.a(SourceFile:2740)
at G.c.messageReceived(SourceFile:182)
at de.jiw.network.kernel.KernelAdapter.dispatch(KernelAdapter.java:188)
at de.jiw.network.message.RawPacket.run(RawPacket.java:54)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
The error may actually be happening in the "rwgui" plugin which pnb uses. Not sure.