From d4e083d33d7caa14cfbc99f6599caab150908da8 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Mon, 29 Oct 2018 12:59:56 +0300
Subject: [PATCH] Issue #2722: Check returned context

---
 src/ModuleBase/ModuleBase_WidgetValidated.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ModuleBase/ModuleBase_WidgetValidated.cpp b/src/ModuleBase/ModuleBase_WidgetValidated.cpp
index 6fbd9b174..16b47680e 100644
--- a/src/ModuleBase/ModuleBase_WidgetValidated.cpp
+++ b/src/ModuleBase/ModuleBase_WidgetValidated.cpp
@@ -130,7 +130,8 @@ bool ModuleBase_WidgetValidated::isValidInFilters(const ModuleBase_ViewerPrsPtr&
             std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(anAttr);
           aSelectAttr->setValue(myPresentedObject, GeomShapePtr(), true);
           GeomShapePtr aShape = aSelectAttr->value();
-          if (!aShape.get() && aSelectAttr->contextFeature()->firstResult().get()) {
+          if (!aShape.get() && aSelectAttr->contextFeature().get() &&
+            aSelectAttr->contextFeature()->firstResult().get()) {
             aShape = aSelectAttr->contextFeature()->firstResult()->shape();
           }
           if (aShape.get()) {
-- 
2.39.2