PD: Fix crash when clicking on invalid edge in task panel

Fixes #10843

src/Mod/PartDesign/Gui/TaskDressUpParameters.cpp

@@ -260,12 +260,27 @@ void TaskDressUpParameters::setSelection(QListWidgetItem* current) {
 
             // highlight the selected item
             bool block = this->blockSelection(true);
-            Gui::Selection().addSelection(docName.c_str(), objName.c_str(), subName.c_str(), 0, 0, 0);
+            tryAddSelection(docName, objName, subName);
             this->blockSelection(block);
         }
     }
 }
 
+void TaskDressUpParameters::tryAddSelection(const std::string& doc,
+                                            const std::string& obj,
+                                            const std::string& sub)
+{
+    try {
+        Gui::Selection().addSelection(doc.c_str(), obj.c_str(), sub.c_str(), 0, 0, 0);
+    }
+    catch (const Base::Exception& e) {
+        e.ReportException();
+    }
+    catch (const Standard_Failure& e) {
+        Base::Console().Error("OCC error: %s\n", e.GetMessageString());
+    }
+}
+
 void TaskDressUpParameters::itemClickedTimeout() {
     // executed after double-click time passed
     wasDoubleClicked = false;

src/Mod/PartDesign/Gui/TaskDressUpParameters.h

@@ -100,6 +100,9 @@ protected:
         return nullptr;
     }
 
+private:
+    void tryAddSelection(const std::string& doc, const std::string& obj, const std::string& sub);
+
 protected:
     QWidget* proxy;
     QAction* deleteAction;