Error running wildfly addon plugin in IDEA 15

Argument for @NotNull parameter 'file' of com/intellij/openapi/fileEditor/ex/FileEditorManagerEx.openFile must not be null
java.lang.IllegalArgumentException: Argument for @NotNull parameter 'file' of com/intellij/openapi/fileEditor/ex/FileEditorManagerEx.openFile must not be null
at com.intellij.openapi.fileEditor.ex.FileEditorManagerEx.openFile(FileEditorManagerEx.java)
at org.jboss.forge.plugin.idea.util.IDEUtil.openFile(IDEUtil.java:99)
at org.jboss.forge.plugin.idea.util.IDEUtil.openSingleSelection(IDEUtil.java:92)
at org.jboss.forge.plugin.idea.util.IDEUtil.openSelection(IDEUtil.java:81)
at org.jboss.forge.plugin.idea.ui.wizard.ForgeCommandTask.lambda$run$0(ForgeCommandTask.java:60)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:337)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:321)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.f(IdeEventQueue.java:866)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:654)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:381)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)