FIX: Will close debugger input state windows, when the state is no longer valid instead of throwing exceptions. (#801)

Author: jechter

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -10,6 +10,9 @@ however, it has to be formatted properly to pass verification tests.
 ## [0.9.5-preview] - 2099-1-1
 
 ### Fixed
+
+- Will close debugger input state windows, when the state is no longer valid instead of throwing exceptions.
+
 #### Actions
 
 ### Changed

Packages/com.unity.inputsystem/InputSystem/Editor/Internal/InputStateWindow.cs

@@ -159,6 +159,13 @@ public void OnGUI()
             if (m_Control == null)
                 m_ShowRawBytes = true;
 
+            // If our state is no longer valid, just close the window.
+            if (m_StateBuffers == null)
+            {
+                Close();
+                return;
+            }
+
             GUILayout.BeginHorizontal(EditorStyles.toolbar);
             m_ShowRawBytes = GUILayout.Toggle(m_ShowRawBytes, Contents.showRawMemory, EditorStyles.toolbarButton,
                 GUILayout.Width(150));