[UnexpectedValueException] 
Overloading of string functions using mbstring.func_overload is not supported by phpseclib. (0)
/home/bitrix/web/mango-office.ru/public_html/www/vendor/phpseclib/phpseclib/phpseclib/bootstrap.php:11
#0: require
	/home/bitrix/web/mango-office.ru/public_html/www/vendor/composer/autoload_real.php:66
#1: composerRequirefc13b91f69046122ea9c4a6d97f25c08(string, string)
	/home/bitrix/web/mango-office.ru/public_html/www/vendor/composer/autoload_real.php:56
#2: ComposerAutoloaderInitfc13b91f69046122ea9c4a6d97f25c08::getLoader()
	/home/bitrix/web/mango-office.ru/public_html/www/vendor/autoload.php:7
#3: require_once(string)
	/home/bitrix/web/mango-office.ru/public_html/www/local/php_interface/init.php:2
#4: include_once(string)
	/home/bitrix/web/mango-office.ru/public_html/static_files/bitrix/modules/main/include.php:234
#5: require_once(string)
	/home/bitrix/web/mango-office.ru/public_html/static_files/bitrix/modules/main/include/prolog_before.php:14
#6: require_once(string)
	/home/bitrix/web/mango-office.ru/public_html/www/support/router.php:2
#7: include_once(string)
	/home/bitrix/web/mango-office.ru/public_html/static_files/bitrix/modules/main/include/urlrewrite.php:159
#8: include_once(string)
	/home/bitrix/web/mango-office.ru/public_html/static_files/bitrix/urlrewrite.php:2