Issue #1343. Improvement of Extrusion and Revolution operations: correction for case...

diff --git a/src/Model/Model_Objects.cpp b/src/Model/Model_Objects.cpp
index 70d1fa24d4a547993deed05ebd98ab2793daf789..6a4752d09e805252de006f190ec421e514e9ef28 100644 (file)
--- a/src/Model/Model_Objects.cpp
+++ b/src/Model/Model_Objects.cpp
@@ -240,7 +240,7 @@ void Model_Objects::removeFeature(FeaturePtr theFeature)
     for(; aRefIter != aRefs.end(); aRefIter++) {
       std::shared_ptr<ModelAPI_CompositeFeature> aComposite = 
         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*aRefIter);
-      if (aComposite.get()) {
+      if (aComposite.get() && aComposite->data()->isValid()) {
         aComposite->removeFeature(theFeature);
       }
     }