From 7a7215b85223aa8e8a1cd84478e1a7aa24b5307d Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Wed, 5 Nov 2025 14:22:09 +0200
Subject: [PATCH] #1006 Assume default material is valid for terrain assigment

---
 indra/newview/llfloaterregioninfo.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/indra/newview/llfloaterregioninfo.cpp b/indra/newview/llfloaterregioninfo.cpp
index 2b243ef972..5ec7e94fcc 100644
--- a/indra/newview/llfloaterregioninfo.cpp
+++ b/indra/newview/llfloaterregioninfo.cpp
@@ -1492,6 +1492,11 @@ bool LLPanelRegionTerrainInfo::validateMaterials()
         const LLUUID& material_asset_id = material_ctrl->getImageAssetID();
         llassert(material_asset_id.notNull());
         if (material_asset_id.isNull()) { return false; }
+        if (material_asset_id == BLANK_MATERIAL_ASSET_ID)
+        {
+            // Default/Blank material is valid by default
+            continue;
+        }
         const LLFetchedGLTFMaterial* material = gGLTFMaterialList.getMaterial(material_asset_id);
         if (!material->isLoaded())
         {