PHP version:
V7.0.13
phpMyAdmin version:
4.6.5

Client configuration

Operating system:
Windows 10

Web server:
IIS 10

It causes error:
Fatal error: Uncaught Error: Call to undefined function mb_detect_encoding() in C:\inetpub\wwwroot\phpmyadmin\libraries\php-gettext\gettext.inc:177 Stack trace: #0 C:\inetpub\wwwroot\phpmyadmin\libraries\php-gettext\gettext.inc(282): _encode('The %s extensio...') #1 C:\inetpub\wwwroot\phpmyadmin\libraries\php-gettext\gettext.inc(289): _gettext('The %s extensio...') #2 C:\inetpub\wwwroot\phpmyadmin\libraries\core.lib.php(306): __('The %s extensio...') #3 C:\inetpub\wwwroot\phpmyadmin\libraries\core.lib.php(961): PMA_warnMissingExtension('mbstring', true) #4 C:\inetpub\wwwroot\phpmyadmin\libraries\common.inc.php(102): PMA_checkExtensions() #5 C:\inetpub\wwwroot\phpmyadmin\index.php(13): require_once('C:\inetpub\wwwr...') #6 {main} thrown in C:\inetpub\wwwroot\phpmyadmin\libraries\php-gettext\gettext.inc on line 177