FIX: InputActionMap warnings when the UI map is not setup correctly (ISXB-1560)

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -13,6 +13,7 @@ however, it has to be formatted properly to pass verification tests.
 ### Fixed
 - Fixed an issue where using Pen devices on Android tablets would result in double clicks for UI interactions. [ISXB-1456](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-1456)
 - Fixed an issue preventing an embedded platform from being released. It adds back some `#defines` to `XRSupport` and `InputDeviceCharacteristics`.
+- Fixed a warning not showing the asset name correctly when the input action map parameters for runtime GUI were not setup.[ISXB-1560]
 
 ## [1.14.1] - 2025-07-10
 

Packages/com.unity.inputsystem/InputSystem/Plugins/InputForUI/InputActionAssetVerifier.cs

@@ -70,7 +70,11 @@ public Context(InputActionAsset asset,
             private string GetAssetReference()
             {
                 var path = AssetDatabase.GetAssetPath(asset);
-                return path ?? asset.name;
+                if (path == string.Empty)
+                {
+                    return asset.name;
+                }
+                return path;
             }
 
             private void ActionMapWarning(string actionMap, string problem)
@@ -92,6 +96,11 @@ public void Verify(string actionNameOrId, InputActionType actionType, string exp
 
                     // Check if the map (if any) exists
                     var noMapOrMapExists = true;
+                    if (asset.actionMaps.Count == 0)
+                    {
+                        return;
+                    }
+
                     var index = actionNameOrId.IndexOf('/');
                     if (index > 0)
                     {