From 2d8b707a3a73d0d6f50613d8a27fbd022ac84c9f Mon Sep 17 00:00:00 2001
From: Ian McInerney <ian.s.mcinerney@ieee.org>
Date: Mon, 21 Aug 2023 10:32:50 +0100
Subject: [PATCH] Remove dummy pad from group before deleting

The dummy pad doesn't need group information, and it asserts when it has
it and is deleted.

Fixes KICAD-3B9
---
 3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp b/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
index 96b76e1bfe..c599d039d1 100644
--- a/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
+++ b/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
@@ -364,6 +364,9 @@ void BOARD_ADAPTER::createPadWithMargin( const PAD* aPad, CONTAINER_2D_BASE* aCo
         dummy.SetSize( VECTOR2I( dummySize.x, dummySize.y ) );
         dummy.TransformShapeToPolygon( poly, aLayer, 0, maxError, ERROR_INSIDE );
         clearance = { 0, 0 };
+
+        // Remove group membership from dummy item before deleting
+        dummy.SetParentGroup( nullptr );
     }
     else
     {