Fix for the issue #2818 : Application errors when cancel sketch operation

diff --git a/src/Model/Model_Document.cpp b/src/Model/Model_Document.cpp
index 6b8eaffd04a09c33e741d1d5b4e5f588ec039921..37e6b8bac9e00698b70c410b9cbe912aa2e34183 100755 (executable)
--- a/src/Model/Model_Document.cpp
+++ b/src/Model/Model_Document.cpp
@@ -1046,7 +1046,7 @@ void Model_Document::removeFeature(FeaturePtr theFeature)
 {
   myObjs->removeFeature(theFeature);
   // fix for #2723: send signal that part is updated
-  if (!isRoot()) {
+  if (!isRoot() && isOperation()) {
     std::shared_ptr<Model_Document> aRoot =
       std::dynamic_pointer_cast<Model_Document>(ModelAPI_Session::get()->moduleDocument());
     std::list<ResultPtr> allParts;