new data source #59

new free, old pro

Author: contactashish13

classes/Visualizer/Render/Page/Data.php

@@ -42,7 +42,9 @@ protected function _renderContent() {
 		if ( VISUALIZER_PRO ) {
 			global $Visualizer_Pro;
 			$Visualizer_Pro->_addEditor( $this->chart->ID );
-			$Visualizer_Pro->_addFilterWizard( $this->chart->ID );
+            if ( method_exists($Visualizer_Pro, '_addFilterWizard') ) {
+    			$Visualizer_Pro->_addFilterWizard( $this->chart->ID );
+            }
 		}
 		// Added by Ash/Upwork
 		echo '<div id="canvas">';