diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/MaterialChecks.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/MaterialChecks.cs
index 69fad8f9f..59a03cbc9 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/MaterialChecks.cs
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Utility/MaterialChecks.cs
@@ -102,6 +102,10 @@ namespace Spine.Unity {
 			+ "a) disable 'CanvasGroup Compatible' at the Material or\n"
 			+ "b) enable 'Canvas Group Tint Black' at the SkeletonGraphic component under 'Advanced'.\n"
 			+ "You may want to duplicate the 'SkeletonGraphicTintBlack' material and change settings at the duplicate to not affect all instances.";
+		public static readonly string kCanvasGroupCompatiblePMAVertexMessage =
+			"\nWarning: 'CanvasGroup Compatible' is enabled at the Material and 'PMA Vertex Colors' is enabled at SkeletonGraphic!\n\nPlease\n"
+			+ "a) disable 'CanvasGroup Compatible' at the Material or\n"
+			+ "b) disable 'PMA Vertex Colors' at the SkeletonGraphic component under 'Advanced'.";
 
 		public static bool IsMaterialSetupProblematic (SkeletonRenderer renderer, ref string errorMessage) {
 			Material[] materials = renderer.GetComponent<Renderer>().sharedMaterials;
@@ -162,6 +166,10 @@ namespace Spine.Unity {
 					isProblematic = true;
 					errorMessage += kCanvasGroupCompatibleDisabledMessage;
 				}
+				if (settings.pmaVertexColors == true && IsCanvasGroupCompatible(material)) {
+					isProblematic = true;
+					errorMessage += kCanvasGroupCompatiblePMAVertexMessage;
+				}
 			}
 			return isProblematic;
 		}
diff --git a/spine-unity/Assets/Spine/package.json b/spine-unity/Assets/Spine/package.json
index be89e2659..b596ebe63 100644
--- a/spine-unity/Assets/Spine/package.json
+++ b/spine-unity/Assets/Spine/package.json
@@ -2,7 +2,7 @@
 	"name": "com.esotericsoftware.spine.spine-unity",
 	"displayName": "spine-unity Runtime",
 	"description": "This plugin provides the spine-unity runtime core.",
-	"version": "4.1.16",
+	"version": "4.1.17",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",