Fatal error: Uncaught Error: Call to undefined function mb_check_encoding() in /home/design-bureau/design-bureau.ru/bitrix/modules/main/classes/general/virtual_io_filesystem.php:250 Stack trace: #0 /home/design-bureau/design-bureau.ru/bitrix/modules/main/classes/general/virtual_io_filesystem.php(265): CBXVirtualIoFileSystem::ValidateCommon() #1 /home/design-bureau/design-bureau.ru/bitrix/modules/main/classes/general/virtual_io.php(163): CBXVirtualIoFileSystem->ValidatePathString() #2 /home/design-bureau/design-bureau.ru/bitrix/modules/main/include/urlrewrite.php(142): CBXVirtualIo->ValidatePathString() #3 /home/design-bureau/design-bureau.ru/bitrix/urlrewrite.php(2): include_once('/home/design-bu...') #4 {main} thrown in /home/design-bureau/design-bureau.ru/bitrix/modules/main/classes/general/virtual_io_filesystem.php on line 250