Fatal error: Uncaught Error: Call to undefined function imagetypes() in /var/www/html/wp-content/plugins/contact-form-7/modules/really-simple-captcha.php:462 Stack trace: #0 /var/www/html/wp-content/plugins/contact-form-7/modules/really-simple-captcha.php(63): wpcf7_generate_captcha(Array) #1 /var/www/html/wp-content/plugins/contact-form-7/includes/form-tags-manager.php(340): wpcf7_captchac_form_tag_handler(Object(WPCF7_FormTag)) #2 /var/www/html/wp-content/plugins/contact-form-7/includes/form-tags-manager.php(269): WPCF7_FormTagsManager->scan_callback(Array, true) #3 [internal function]: WPCF7_FormTagsManager->replace_callback(Array) #4 /var/www/html/wp-content/plugins/contact-form-7/includes/form-tags-manager.php(186): preg_replace_callback('/(\\[?)\\[(accept...', Array, '<p>Your Name (r...') #5 /var/www/html/wp-content/plugins/contact-form-7/includes/form-tags-manager.php(168): WPCF7_FormTagsManager->scan('<p>Your Name (r...', true) #6 /var/www/html/wp-content/plugins/contact-form-7/includes/contact-form.php(618): WPCF in /var/www/html/wp-content/plugins/contact-form-7/modules/really-simple-captcha.php on line 462