error/warning messages when combined with Testimonials

When using this plugin with Easy Testimonial plugins, the following errors pollute the screen

Warning: Missing argument 2 for th_filter_widget_title() in /home4/xyz/public_html/xyz.com/wp-content/plugins/vr-advanced-widget-title/vr-advanced-widget-title.php on line 130

Warning: Missing argument 3 for th_filter_widget_title() in /home4/xyz/public_html/xyz.com/wp-content/plugins/vr-advanced-widget-title/vr-advanced-widget-title.php on line 130

https://www.ads-software.com/plugins/vr-advanced-widget-title/