Uncaught Error: Call to a member function get_result() on null in

I’m using the Flimingo and if i removing the get_result() from 1054 contact-form.php then it’s works but messages not saving in flimingo

Fatal error: Uncaught Error: Call to a member function get_result() on null in /nas/content/live/jsminjuryfirm/wp-content/plugins/contact-form-7/includes/contact-form.php:1054 Stack trace: #0 /nas/content/live/jsminjuryfirm/wp-content/plugins/contact-form-7/includes/controller.php(25): WPCF7_ContactForm->submit() #1 /nas/content/live/jsminjuryfirm/wp-includes/class-wp-hook.php(305): wpcf7_control_init() #2 /nas/content/live/jsminjuryfirm/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #3 /nas/content/live/jsminjuryfirm/wp-includes/plugin.php(524): WP_Hook->do_action(Array) #4 /nas/content/live/jsminjuryfirm/wp-includes/class-wp.php(398): do_action_ref_array(‘parse_request’, Array) #5 /nas/content/live/jsminjuryfirm/wp-includes/class-wp.php(770): WP->parse_request(”) #6 /nas/content/live/jsminjuryfirm/wp-includes/functions.php(1330): WP->main(”) #7 /nas/content/live/jsminjuryfirm/wp-blog-header.php(16): wp() #8 /nas/content/live/jsminjuryfirm/index.php(17): require(‘/nas/content/li…’) #9 {main} in /nas/content/live/jsminjuryfirm/wp-content/plugins/contact-form-7/includes/contact-form.php on line 1054

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