Exception thrown while invoking [OnOpenAssetAttribute] method 'Unity.CodeEditor.CodeEditor:OnOpenAsset (int,int,int)' : InvalidOperationException: Cannot start process because a file name has not been provided.
System.Diagnostics.Process.Start () (at :0)
(wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
UnityEditor.DefaultExternalCodeEditor.OpenProject (System.String path, System.Int32 line, System.Int32 column) (at C:/buildslave/unity/build/Editor/Mono/CodeEditor/DefaultExternalCodeEditor.cs:96)
Unity.CodeEditor.CodeEditor.OnOpenAsset (System.Int32 instanceID, System.Int32 line, System.Int32 column) (at C:/buildslave/unity/build/Editor/Mono/CodeEditor/CodeEditor.cs:56)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
这是一个bug
https://forum.unity.com/threads/case-1155383-exception-thrown-while-invoking-onopenassetattribute.680227/
你没有选择任何Asset的时候，点了打开，就会报这个错