From 0874aabf6feca47d6be16959f71311002677ee80 Mon Sep 17 00:00:00 2001
From: yw4z <ywsyildiz@gmail.com>
Date: Wed, 28 Jan 2026 03:13:51 +0300
Subject: [PATCH] add safe guard

---
 src/slic3r/GUI/Plater.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index e6603bd6123..0ccb93bb577 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1717,7 +1717,9 @@ Sidebar::Sidebar(Plater *parent)
             // ORCA: FIX crash on wxGTK, directly modifying UI (self->Hide() / parent->Layout()) inside a button event can crash because callbacks are not re-entrant, leaving widgets in an inconsistent state
             wxGetApp().CallAfter([this, panel_color]() {
                 // ORCA clicking edit button not triggers wxEVT_KILL_FOCUS wxEVT_LEAVE_WINDOW make changes manually to prevent stucked colors when opening printer settings
-                p->panel_printer_preset->SetBorderColor(panel_color.bd_normal);
+                if (!p || !p->panel_printer_preset || !p->btn_edit_printer)
+                    return;
+				p->panel_printer_preset->SetBorderColor(panel_color.bd_normal);
                 p->btn_edit_printer->Hide();
                 p->panel_printer_preset->Layout();
             });