diff --git a/framework/PageBuilder/v25/PageBuilderLoader.php b/framework/PageBuilder/v25/PageBuilderLoader.php
index 22c3d00..d78b9bd 100644
--- a/framework/PageBuilder/v25/PageBuilderLoader.php
+++ b/framework/PageBuilder/v25/PageBuilderLoader.php
@@ -115,6 +115,15 @@ public static function plugin_active() {
 		return is_plugin_active( 'siteorigin-panels/siteorigin-panels.php' );
 	}
 
+	/**
+	 * Check that widgets bundle plugin is installed and activated
+	 *
+	 * @return bool
+	 */
+	public static function widgets_bundle_active() {
+		return is_plugin_active( 'so-widgets-bundle/so-widgets-bundle.php' );
+	}
+
 	/**
 	 * Init row/widgets layouts and change disabled plugins list.
 	 * Called at the end of the __contruct() method
diff --git a/framework/PageBuilder/v25/PageBuilderWidget.php b/framework/PageBuilder/v25/PageBuilderWidget.php
index 55ddf6e..36754f3 100644
--- a/framework/PageBuilder/v25/PageBuilderWidget.php
+++ b/framework/PageBuilder/v25/PageBuilderWidget.php
@@ -8,12 +8,42 @@
 
 namespace JustCoded\ThemeFramework\PageBuilder\v25;
 
+if ( ! PageBuilderLoader::widgets_bundle_active() ) {
+	/**
+	 * Class PageBuilderWidget
+	 * if widgets bundle is not enabled we create a dummy class to prevent errors.
+	 */
+	class PageBuilderWidget extends \WP_Widget {
+		/**
+		 * Constructor.
+		 *
+		 * @param string $id Widget id.
+		 * @param string $name Widget title.
+		 * @param array  $widget_options Optional Normal WP_Widget widget options and a few extras.
+		 *   - help: A URL which, if present, causes a help link to be displayed on the Edit Widget modal.
+		 *   - instance_storage: Whether or not to temporarily store instances of this widget.
+		 *   - has_preview: Whether or not this widget has a preview to display. If false, the form does not output a
+		 *                  'Preview' button.
+		 * @param array  $control_options Optional Normal WP_Widget control options.
+		 * @param array  $form_options Optional An array describing the form fields used to configure SiteOrigin widgets.
+		 * @param mixed  $base_folder Optional Some compatibility param.
+		 */
+		function __construct( $id, $name, $widget_options = array(), $control_options = array(), $form_options = array(), $base_folder = false ) {
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Class PageBuilderWidget
+ */
 class PageBuilderWidget extends \SiteOrigin_Widget {
 	/**
 	 * Form fields configuration
 	 *
 	 * @return array
-	 * @throws \Exception
+	 * @throws \Exception Method should be overwritten in nested class.
 	 */
 	public function get_widget_form() {
 		throw new \Exception( 'PageBuilderWidget::get_widget_form() : You should overwrite get_widget_form() method inside your own class.' );
@@ -25,7 +55,7 @@ public function get_widget_form() {
 	 * @param array $instance submitted form values.
 	 *
 	 * @return array
-	 * @throws \Exception
+	 * @throws \Exception Method should be overwritten in nested class.
 	 */
 	public function modify_instance( $instance ) {
 		throw new \Exception( 'PageBuilderWidget::modify_instance() : You should overwrite modify_instance() method inside your own class.' );
@@ -37,7 +67,7 @@ public function modify_instance( $instance ) {
 	 * @param array $args Widget display arguments.
 	 * @param array $instance Widget settings.
 	 *
-	 * @throws \Exception
+	 * @throws \Exception Method should be overwritten in nested class.
 	 */
 	public function widget( $args, $instance ) {
 		throw new \Exception( 'PageBuilderWidget::widget() : You should overwrite widget() method inside your own class.' );
diff --git a/readme.txt b/readme.txt
index b34f554..abc4fd1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -92,6 +92,8 @@ To upgrade remove the old plugin folder. After than follow the installation step
 
 == Changelog ==
 
+= Version 1.2.3 - 26 May 2017 =
+	* Hotfix: PageBuilderWidget raise fatal error when Site Origin Widgets Bundle plugin is not installed or deactivated.
 = Version 1.2.2 - 12 May 2017 =
 	* Hotfix: Page Builder design options (background, borders) were missing in new version. Fixed.
 = Version 1.2.1 - 12 May 2017 =