Fatal error: Uncaught Error: Call to undefined function Symfony\Polyfill\Mbstring\iconv() in /home/bhrmx/public_html/wp-content/plugins/backwpup/vendor/symfony/polyfill-mbstring/Mbstring.php:435
Stack trace:
#0 /home/bhrmx/public_html/wp-content/plugins/backwpup/vendor/symfony/polyfill-mbstring/bootstrap80.php(45): Symfony\Polyfill\Mbstring\Mbstring::mb_check_encoding('a:31:{s:2:"cc";...', 'ASCII')
#1 /home/bhrmx/public_html/wp-includes/class-wpdb.php(3461): mb_check_encoding('a:31:{s:2:"cc";...', 'ASCII')
#2 /home/bhrmx/public_html/wp-includes/class-wpdb.php(3583): wpdb->check_ascii('a:31:{s:2:"cc";...')
#3 /home/bhrmx/public_html/wp-includes/class-wpdb.php(2826): wpdb->strip_invalid_text(Array)
#4 /home/bhrmx/public_html/wp-includes/class-wpdb.php(2683): wpdb->process_fields('wp_options', Array, NULL)
#5 /home/bhrmx/public_html/wp-includes/option.php(964): wpdb->update('wp_options', Array, Array)
#6 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/admin/db/class-ht-ctc-db.php(232): update_option('ht_ctc_chat_opt...', Array)
#7 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/admin/db/class-ht-ctc-db.php(62): HT_CTC_DB->ht_ctc_chat_options()
#8 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/admin/db/class-ht-ctc-db.php(35): HT_CTC_DB->db()
#9 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/admin/db/class-ht-ctc-db.php(356): HT_CTC_DB->__construct()
#10 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/inc/class-ht-ctc-register.php(72): include_once('/home/bhrmx/pub...')
#11 /home/bhrmx/public_html/wp-content/plugins/click-to-chat-for-whatsapp/new/inc/class-ht-ctc-register.php(162): HT_CTC_Register::version_changed()
#12 /home/bhrmx/public_html/wp-includes/class-wp-hook.php(324): HT_CTC_Register::version_check('')
#13 /home/bhrmx/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#14 /home/bhrmx/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#15 /home/bhrmx/public_html/wp-settings.php(578): do_action('plugins_loaded')
#16 /home/bhrmx/public_html/wp-config.php(75): require_once('/home/bhrmx/pub...')
#17 /home/bhrmx/public_html/wp-load.php(50): require_once('/home/bhrmx/pub...')
#18 /home/bhrmx/public_html/wp-blog-header.php(13): require_once('/home/bhrmx/pub...')
#19 /home/bhrmx/public_html/index.php(17): require('/home/bhrmx/pub...')
#20 {main}
thrown in /home/bhrmx/public_html/wp-content/plugins/backwpup/vendor/symfony/polyfill-mbstring/Mbstring.php on line 435