kses.php (wp_kses_bad_protocol_once) function error

First thanks for such a wonderful system/platform. I got an error after plugin update. I have tried to restore the data but it is not work. Also this error make the system down and all the page was not be load.
Warning: preg_match(): No ending delimiter ‘#’ found in hkermall.com/public_html/wp-includes/kses.php on line 1722

function wp_kses_bad_protocol_once( $string, $allowed_protocols, $count = 1 ) {
	$string  = preg_replace( '/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string );
	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;|:/i', $string, 2 );
	if ( isset( $string2[1] ) && ! preg_match( '%/\?%', $string2[0] ) ) {
		$string   = trim( $string2[1] );
		$protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
		if ( 'feed:' === $protocol ) {
			if ( $count > 2 ) {
				return '';
			}
			$string = wp_kses_bad_protocol_once( $string, $allowed_protocols, ++$count );
			if ( empty( $string ) ) {
				return $string;
			}
		}
		$string = $protocol . $string;
	}

	return $string;
}

another error/Warning
Warning: Cannot modify header information – headers already sent by (output started at hkermall.com/public_html/wp-includes/kses.php:1722) in
hkermall.com/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase2.php on line 1346
Warning: preg_match(): No ending delimiter ‘#’ found in hkermall.com/public_html/wp-includes/kses.php on line 1722

• This topic was modified 2 years, 11 months ago by wen0750.

The page I need help with: [log in to see the link]