diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index 48cf4a7c..4c56492c 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -94,6 +94,10 @@ void Obstacle::RecalcSelfCollider()
                 permanent_map_service->AddCollider(self_collider2_);
             }
             break;
+        case 3:
+            {
+            }
+            break;
         default:
             {
                 A8_ABORT();
diff --git a/third_party/a8engine b/third_party/a8engine
index 3e5ad07a..9b63b8fe 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 3e5ad07a23e6157161c7971994d349e5fdcb4e31
+Subproject commit 9b63b8fee2f459b1bd096c76d4f6aecfc2ba45bd