[LayaAirIDE 2.0]unity 带出报错~ArgumentException: Invalid path

ArgumentException: Invalid path
System.IO.Path.GetDirectoryName (System.String path) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
LayaExport.DataManager.saveLightMapFile (JSONObject customProps) (at <460acbcca8964c0cac25035c85643194>:0)
LayaExport.DataManager.getSceneNode () (at <460acbcca8964c0cac25035c85643194>:0)
LayaExport.DataManager.saveData () (at <460acbcca8964c0cac25035c85643194>:0)
LayaExport.DataManager.getData () (at <460acbcca8964c0cac25035c85643194>:0)
LayaAir3D.exportResource (System.Boolean isDebug) (at Assets/LayaAir3D/LayaTool/LayaAir3D.cs:435)
LayaAir3D.OnGUI () (at Assets/LayaAir3D/LayaTool/LayaAir3D.cs:337)
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at D:/unity/Editor/Mono/HostView.cs:359)
UnityEditor.HostView.Invoke (System.String methodName) (at D:/unity/Editor/Mono/HostView.cs:353)
UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition, UnityEngine.Rect viewRect) (at D:/unity/Editor/Mono/HostView.cs:329)
UnityEditor.DockArea.DrawView (UnityEngine.Rect viewRect, UnityEngine.Rect dockAreaRect, System.Boolean floatingWindow, System.Boolean isBottomTab) (at D:/unity/Editor/Mono/GUI/DockArea.cs:374)
UnityEditor.DockArea.OldOnGUI () (at D:/unity/Editor/Mono/GUI/DockArea.cs:341)
UnityEngine.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 parentTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout, UnityEngine.Rect layoutSize) (at D:/unity/Modules/UIElements/IMGUIContainer.cs:298)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, UnityEngine.Matrix4x4 worldTransform, UnityEngine.Rect clippingRect) (at D:/unity/Modules/UIElements/IMGUIContainer.cs:483)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e) (at D:/unity/Modules/UIElements/IMGUIContainer.cs:466)
UnityEngine.UIElements.IMGUIContainer.HandleEvent (UnityEngine.UIElements.EventBase evt) (at D:/unity/Modules/UIElements/IMGUIContainer.cs:447)
UnityEngine.UIElements.MouseCaptureDispatchingStrategy.DispatchEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at D:/unity/Modules/UIElements/Events/MouseCaptureDispatchingStrategy.cs:93)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at D:/unity/Modules/UIElements/EventDispatcher.cs:280)
UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at D:/unity/Modules/UIElements/EventDispatcher.cs:156)
UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at D:/unity/Modules/UIElements/Panel.cs:190)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at D:/unity/Modules/UIElements/UIElementsUtility.cs:255)
UnityEngine.UIElements.UIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at D:/unity/Modules/UIElements/UIElementsUtility.cs:78)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at D:/unity/Modules/IMGUI/GUIUtility.cs:179)
unity 里面的Lighting 的Auto Generate 已关了~！