Fix for the issue #593: do not remove naming attribute, but use TNaming_Builder for...

[modules/shaper.git] / src / SketchSolver / SketchSolver_Group.cpp

diff --git a/src/SketchSolver/SketchSolver_Group.cpp b/src/SketchSolver/SketchSolver_Group.cpp
index 794eb1a3f355ec24bee87d9065ff3c69cf2cf186..cc24d79f2fa81c8f1d33d4fec9e5bfd767decc92 100644 (file)
--- a/src/SketchSolver/SketchSolver_Group.cpp
+++ b/src/SketchSolver/SketchSolver_Group.cpp
@@ -242,12 +242,14 @@ bool SketchSolver_Group::changeConstraint(
         theConstraint->attribute(SketchPlugin_ConstraintMirror::ENTITY_A()));
     if (aRefAttr && aRefAttr->isObject()) {
       FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
-      SolverConstraintPtr aConstraint =
-          SketchSolver_Builder::getInstance()->createRigidConstraint(aFeature);
-      if (aConstraint) {
-        aConstraint->setGroup(this);
-        aConstraint->setStorage(myStorage);
-        setTemporary(aConstraint);
+      if (aFeature) {
+        SolverConstraintPtr aConstraint =
+            SketchSolver_Builder::getInstance()->createRigidConstraint(aFeature);
+        if (aConstraint) {
+          aConstraint->setGroup(this);
+          aConstraint->setStorage(myStorage);
+          setTemporary(aConstraint);
+        }
       }
     }
   }