remove return and add else clause

src/app/qgsattributetabledialog.cpp

@@ -508,15 +508,16 @@ void QgsAttributeTableDialog::runFieldCalculation( QgsVectorLayer* layer, const
   {
     QMessageBox::critical( nullptr, tr( "Error" ), tr( "An error occurred while evaluating the calculation string:\n%1" ).arg( error ) );
     mLayer->destroyEditCommand();
-    return;
   }
+  else
+  {
+    mLayer->endEditCommand();
 
-  mLayer->endEditCommand();
-
-  // refresh table with updated values
-  // fixes https://issues.qgis.org/issues/17312
-  QgsAttributeTableModel* masterModel = mMainView->masterModel();
-  masterModel->reload( masterModel->index( 0, 0 ), masterModel->index( masterModel->rowCount() - 1, masterModel->columnCount() - 1 ) );
+    // refresh table with updated values
+    // fixes https://issues.qgis.org/issues/17312
+    QgsAttributeTableModel* masterModel = mMainView->masterModel();
+    masterModel->reload( masterModel->index( 0, 0 ), masterModel->index( masterModel->rowCount() - 1, masterModel->columnCount() - 1 ) );
+  }
 }
 
 void QgsAttributeTableDialog::replaceSearchWidget( QWidget* oldw, QWidget* neww )