From 47a30a3e2a290ce85fef406ec3c63ec67ff61d36 Mon Sep 17 00:00:00 2001
From: "jiaxi.chen" <jiaxi.chen@bambulab.com>
Date: Tue, 18 Mar 2025 15:14:37 +0800
Subject: [PATCH] FIX: crash sometimes when using ipLightning in Organic tree

jira: STUDIO-10957
Change-Id: I8126540bd04f1c74a39171161ee29c7b6ace9f18
---
 src/libslic3r/Fill/FillLightning.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/Fill/FillLightning.cpp b/src/libslic3r/Fill/FillLightning.cpp
index dd2189e6b..cc2ea33ef 100644
--- a/src/libslic3r/Fill/FillLightning.cpp
+++ b/src/libslic3r/Fill/FillLightning.cpp
@@ -13,6 +13,7 @@ void Filler::_fill_surface_single(
     ExPolygon                      expolygon,
     Polylines                     &polylines_out)
 {
+    if (!generator) return;
     const Layer &layer      = generator->getTreesForLayer(this->layer_id);
     Polylines    fill_lines = layer.convertToLines(to_polygons(expolygon), scaled<coord_t>(0.5 * this->spacing - this->overlap));