外観のカスタマイズをクリックすると Fatal error 発生

以下の Fatal error が外観のカスタマイズをクリックすると表示されてしまいます。
どのように直したらよろしいでしょうか。

Fatal error: Uncaught Error: Class ‘Custom_Text_Control’ not found in /home/ffp2diet/ffp2diet.com/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/plugins/google_analytics/ga_customizer.php:41 Stack trace: #0 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/class-wp-hook.php(286): veu_customize_register_ga(Object(WP_Customize_Manager)) #1 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/class-wp-customize-manager.php(926): do_action(‘customize_regis…’, Object(WP_Customize_Manager)) #4 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/class-wp-hook.php(286): WP_Customize_Manager->wp_loaded(”) #5 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 /home/ffp2diet/ffp2diet.com/public_html/wp-includes/plugin.php(453): WP_Hook->do_acti in /home/ffp2diet/ffp2diet.com/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/plugins/google_analytics/ga_customizer.php on line 41