RedBeanphp выдаёт ошибку

Браузер выдает ошибку после отправки формы кнопкой submit.

Как можно исправить?

Fatal error: Uncaught exception 'RedBeanPHP\RedException' with message 'Plugin 'dispence' does not exist, add this plugin using: R::ext('dispence')' in /var/www/vhosts/alcrew.com/httpdocs/libs/rb.php:12086 Stack trace: #0 /var/www/vhosts/alcrew.com/httpdocs/signup.php(27): RedBeanPHP\Facade::__callStatic('dispence', Array) #1 /var/www/vhosts/alcrew.com/httpdocs/signup.php(27): R::dispence('users') #2 {main} thrown in /var/www/vhosts/alcrew.com/httpdocs/libs/rb.php on line 12086