I save my scene but it can't open

Question

I have this error:
Invalid file content for Library/StateCache/SceneView/41e96e-mainStage.json. Removing file. Error: System.ArgumentException: JSON parse error: The document is empty.
at (wrapper managed-to-native) UnityEngine.JsonUtility.FromJsonInternal(string,object,System.Type)
at UnityEngine.JsonUtility.FromJson (System.String json, System.Type type) [0x0005c] in <1386288601af43018501cce2912f52f4>:0
at UnityEngine.JsonUtility.FromJson[T] (System.String json) [0x00001] in <1386288601af43018501cce2912f52f4>:0
at UnityEditor.StateCache`1[T].GetState (System.String key, T defaultValue) [0x0007c] in <af78ad00a40d4f61b82afc6cafb0a416>:0
UnityEditor.SceneView:OnEnable()
UnityEditorInternal.InternalEditorUtility:LoadSerializedFileAndForget(String)
UnityEditor.WindowLayout:LoadDefaultWindowPreferences()

Answer 1

I have 0 experience with unity. But... the error message says some sort of document is empty (?) which could be related (??)