diff --git a/src/slic3r/GUI/BedShapeDialog.hpp b/src/slic3r/GUI/BedShapeDialog.hpp
index 032aa2880..2f308a507 100644
--- a/src/slic3r/GUI/BedShapeDialog.hpp
+++ b/src/slic3r/GUI/BedShapeDialog.hpp
@@ -18,6 +18,7 @@ namespace GUI {
 class ConfigOptionsGroup;
 
 using ConfigOptionsGroupShp = std::shared_ptr<ConfigOptionsGroup>;
+using ConfigOptionsGroupWkp = std::weak_ptr<ConfigOptionsGroup>;
 
 struct BedShape
 {
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 8411944c6..babcec071 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -1808,8 +1808,8 @@ bool Tab::validate_custom_gcode(const wxString& title, const std::string& gcode)
     return !invalid;
 }
 
-static void validate_custom_gcode_cb(Tab* tab, ConfigOptionsGroupShp opt_group, const t_config_option_key& opt_key, const boost::any& value) {
-    tab->validate_custom_gcodes_was_shown = !Tab::validate_custom_gcode(opt_group->title, boost::any_cast<std::string>(value));
+static void validate_custom_gcode_cb(Tab* tab, const wxString& title, const t_config_option_key& opt_key, const boost::any& value) {
+    tab->validate_custom_gcodes_was_shown = !Tab::validate_custom_gcode(title, boost::any_cast<std::string>(value));
     tab->update_dirty();
     tab->on_value_change(opt_key, value);
 }
@@ -1830,18 +1830,19 @@ void TabFilament::add_filament_overrides_page()
         else
             line = optgroup->create_single_option_line(optgroup->get_option(opt_key));
 
-        line.near_label_widget = [this, optgroup, opt_key, opt_index](wxWindow* parent) {
+        line.near_label_widget = [this, optgroup_wk = ConfigOptionsGroupWkp(optgroup), opt_key, opt_index](wxWindow* parent) {
             wxCheckBox* check_box = new wxCheckBox(parent, wxID_ANY, "");
 
-            check_box->Bind(wxEVT_CHECKBOX, [optgroup, opt_key, opt_index](wxCommandEvent& evt) {
+            check_box->Bind(wxEVT_CHECKBOX, [optgroup_wk, opt_key, opt_index](wxCommandEvent& evt) {
                 const bool is_checked = evt.IsChecked();
-                Field* field = optgroup->get_fieldc(opt_key, opt_index);
-                if (field != nullptr) {
-                    field->toggle(is_checked);
-                    if (is_checked)
-                        field->set_last_meaningful_value();
-                    else
-                        field->set_na_value();
+                if (auto optgroup_sh = optgroup_wk.lock(); optgroup_sh) {
+                    if (Field *field = optgroup_sh->get_fieldc(opt_key, opt_index); field != nullptr) {
+                        field->toggle(is_checked);
+                        if (is_checked)
+                            field->set_last_meaningful_value();
+                        else
+                            field->set_na_value();
+                    }
                 }
             }, check_box->GetId());
 
@@ -1926,7 +1927,7 @@ void TabFilament::build()
         optgroup->append_single_option_line("filament_cost");
         optgroup->append_single_option_line("filament_spool_weight");
 
-        optgroup->m_on_change = [this, optgroup](t_config_option_key opt_key, boost::any value)
+        optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value)
         {
             update_dirty();
             if (opt_key == "filament_spool_weight") {
@@ -2038,8 +2039,8 @@ void TabFilament::build()
 
     page = add_options_page(L("Custom G-code"), "cog");
         optgroup = page->new_optgroup(L("Start G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("start_filament_gcode");
         option.opt.full_width = true;
@@ -2048,8 +2049,8 @@ void TabFilament::build()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("End G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("end_filament_gcode");
         option.opt.full_width = true;
@@ -2260,11 +2261,15 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
         optgroup->append_single_option_line("single_extruder_multi_material");
 
-        optgroup->m_on_change = [this, optgroup](t_config_option_key opt_key, boost::any value) {
+        optgroup->m_on_change = [this, optgroup_wk = ConfigOptionsGroupWkp(optgroup)](t_config_option_key opt_key, boost::any value) {
+            auto optgroup_sh = optgroup_wk.lock();
+            if (!optgroup_sh)
+                return;
+
             // optgroup->get_value() return int for def.type == coInt,
             // Thus, there should be boost::any_cast<int> !
             // Otherwise, boost::any_cast<size_t> causes an "unhandled unknown exception"
-            size_t extruders_count = size_t(boost::any_cast<int>(optgroup->get_value("extruders_count")));
+            size_t extruders_count = size_t(boost::any_cast<int>(optgroup_sh->get_value("extruders_count")));
             wxTheApp->CallAfter([this, opt_key, value, extruders_count]() {
                 if (opt_key == "extruders_count" || opt_key == "single_extruder_multi_material") {
                     extruders_count_changed(extruders_count);
@@ -2323,7 +2328,7 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line("silent_mode");
         optgroup->append_single_option_line("remaining_times");
 
-        optgroup->m_on_change = [this, optgroup](t_config_option_key opt_key, boost::any value) {
+        optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value) {
             wxTheApp->CallAfter([this, opt_key, value]() {
                 if (opt_key == "silent_mode") {
                     bool val = boost::any_cast<bool>(value);
@@ -2358,8 +2363,8 @@ void TabPrinter::build_fff()
     const int notes_field_height = 25; // 250
     page = add_options_page(L("Custom G-code"), "cog");
         optgroup = page->new_optgroup(L("Start G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("start_gcode");
         option.opt.full_width = true;
@@ -2368,8 +2373,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("End G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("end_gcode");
         option.opt.full_width = true;
@@ -2378,8 +2383,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Before layer change G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("before_layer_gcode");
         option.opt.full_width = true;
@@ -2388,8 +2393,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("After layer change G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("layer_gcode");
         option.opt.full_width = true;
@@ -2398,8 +2403,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Tool change G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("toolchange_gcode");
         option.opt.full_width = true;
@@ -2408,8 +2413,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Between objects G-code (for sequential printing)"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("between_objects_gcode");
         option.opt.full_width = true;
@@ -2418,8 +2423,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Color Change G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("color_change_gcode");
         option.opt.is_code = true;
@@ -2427,8 +2432,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Pause Print G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("pause_print_gcode");
         option.opt.is_code = true;
@@ -2436,8 +2441,8 @@ void TabPrinter::build_fff()
         optgroup->append_single_option_line(option);
 
         optgroup = page->new_optgroup(L("Template Custom G-code"), 0);
-        optgroup->m_on_change = [this, optgroup](const t_config_option_key& opt_key, const boost::any& value) {
-            validate_custom_gcode_cb(this, optgroup, opt_key, value);
+        optgroup->m_on_change = [this, &optgroup_title = optgroup->title](const t_config_option_key& opt_key, const boost::any& value) {
+            validate_custom_gcode_cb(this, optgroup_title, opt_key, value);
         };
         option = optgroup->get_option("template_custom_gcode");
         option.opt.is_code = true;
@@ -4468,7 +4473,7 @@ void TabSLAMaterial::build()
     optgroup->append_single_option_line("bottle_weight");
     optgroup->append_single_option_line("material_density");
 
-    optgroup->m_on_change = [this, optgroup](t_config_option_key opt_key, boost::any value)
+    optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value)
     {
         if (opt_key == "material_colour") {
             update_dirty();