diff --git a/src/document/migrate-scene-document.ts b/src/document/migrate-scene-document.ts
index c2f8a067..5e6cf6f0 100644
--- a/src/document/migrate-scene-document.ts
+++ b/src/document/migrate-scene-document.ts
@@ -187,6 +187,7 @@ import {
   CAMERA_RIG_RAIL_SCENE_DOCUMENT_VERSION,
   CELESTIAL_ORBIT_SETTINGS_SCENE_DOCUMENT_VERSION,
   CONTROL_SURFACE_FOUNDATION_SCENE_DOCUMENT_VERSION,
+  CUSTOM_PBR_MATERIALS_SCENE_DOCUMENT_VERSION,
   DISTANCE_FOG_SCENE_DOCUMENT_VERSION,
   DYNAMIC_TERRAIN_LAYERS_SCENE_DOCUMENT_VERSION,
   DYNAMIC_GLOBAL_ILLUMINATION_SCENE_DOCUMENT_VERSION,
@@ -6877,6 +6878,7 @@ export function migrateSceneDocument(source: unknown): SceneDocument {
     source.version !== SPLINE_CORRIDOR_JUNCTION_EDGE_SCENE_DOCUMENT_VERSION &&
     source.version !== SPLINE_CORRIDOR_JUNCTION_SHAPE_SCENE_DOCUMENT_VERSION &&
     source.version !== NPC_TARGETING_SCENE_DOCUMENT_VERSION &&
+    source.version !== CUSTOM_PBR_MATERIALS_SCENE_DOCUMENT_VERSION &&
     source.version !== LENS_FLARE_SCENE_DOCUMENT_VERSION
   ) {
     throw new Error(