From 70d094994aaddc3e0eb22eeaad667b6ceeeff0e0 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 3 Jan 2018 17:59:45 +0100
Subject: [PATCH] fix crash in ViewProviderBody::setVisualBodyMode due to
 missing view provider

---
 src/Mod/PartDesign/Gui/ViewProviderBody.cpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
index 893ccc36cd..b5e560fe26 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
@@ -379,16 +379,16 @@ void ViewProviderBody::unifyVisualProperty(const App::Property* prop) {
        prop == &Selectable ||
        prop == &DisplayModeBody)
         return;
-                
+
     Gui::Document *gdoc = Gui::Application::Instance->getDocument ( pcObject->getDocument() ) ;
-       
+
     PartDesign::Body *body = static_cast<PartDesign::Body *> ( getObject() );
     auto features = body->Group.getValues();
     for(auto feature : features) {
         
         if(!feature->isDerivedFrom(PartDesign::Feature::getClassTypeId()))
             continue;
-        
+
         //copy over the properties data
         auto p = gdoc->getViewProvider(feature)->getPropertyByName(prop->getName());
         p->Paste(*prop);
@@ -398,15 +398,16 @@ void ViewProviderBody::unifyVisualProperty(const App::Property* prop) {
 void ViewProviderBody::setVisualBodyMode(bool bodymode) {
 
     Gui::Document *gdoc = Gui::Application::Instance->getDocument ( pcObject->getDocument() ) ;
-       
+
     PartDesign::Body *body = static_cast<PartDesign::Body *> ( getObject() );
     auto features = body->Group.getValues();
     for(auto feature : features) {
         
         if(!feature->isDerivedFrom(PartDesign::Feature::getClassTypeId()))
             continue;
-        
-        static_cast<PartDesignGui::ViewProvider*>(gdoc->getViewProvider(feature))->setBodyMode(bodymode);
+
+        auto* vp = static_cast<PartDesignGui::ViewProvider*>(gdoc->getViewProvider(feature));
+        if (vp) vp->setBodyMode(bodymode);
     }
 }