From 141ae5a916870350b380ebb867408d60d14b2a8e Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Fri, 5 Jan 2024 14:15:49 +0100
Subject: [PATCH] ConfigWizard : Fixed a crash, when some of material pages
 doesn't exist

---
 src/slic3r/GUI/ConfigWizard.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index 1329fdbef3..7ab9242aac 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -2785,8 +2785,10 @@ bool ConfigWizard::priv::on_bnt_finish()
      * than last changes wouldn't be updated for filaments/materials.
      * SO, do that before check_and_install_missing_materials()
      */
-    page_filaments->check_and_update_presets();
-    page_sla_materials->check_and_update_presets();
+    if (page_filaments)
+        page_filaments->check_and_update_presets();
+    if (page_sla_materials)
+        page_sla_materials->check_and_update_presets();
     
 	// there's no need to check that filament is selected if we have only custom printer
     if (custom_printer_selected && !any_fff_selected && !any_sla_selected) return true;