Call to a member function get_status()

Fatal error: Uncaught Error: Call to a member function get_status() on null in
…
in /var/www/www-root/data/www/led-digital.ru/wp-content/plugins/contact-form-7/includes/contact-form.php on line 768

Need help in this, After clicking submit, it shows this error

Fatal error: Uncaught Error: Call to a member function get_status() on null in /var/www/www-root/data/www/led-digital.ru/wp-content/plugins/contact-form-7/includes/contact-form.php:768 Stack trace: #0 /var/www/www-root/data/www/led-digital.ru/wp-content/plugins/contact-form-7/includes/controller.php(25): WPCF7_ContactForm->submit() #1 /var/www/www-root/data/www/led-digital.ru/wp-includes/class-wp-hook.php(301): wpcf7_control_init() #2 /var/www/www-root/data/www/led-digital.ru/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array) #3 /var/www/www-root/data/www/led-digital.ru/wp-includes/plugin.php(518): WP_Hook->do_action(Array) #4 /var/www/www-root/data/www/led-digital.ru/wp-includes/class-wp.php(388): do_action_ref_array('parse_request', Array) #5 /var/www/www-root/data/www/led-digital.ru/wp-includes/class-wp.php(750): WP->parse_request('') #6 /var/www/www-root/data/www/led-digital.ru/wp-includes/functions.php(1291): WP->main('') #7 /var/www/www-root/data/www/led-digital.ru/wp-blog-header.php(16): wp() # in /var/www/www-root/data/www/led-digital.ru/wp-content/plugins/contact-form-7/includes/contact-form.php on line 768

php version 7.4
contact form 7 version 5.4.2

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