При попытке авторизоваться, причём только в случае правильных логина и пароля получаю ошибку:
Fatal error: Uncaught Error: Call to a member function get() on null in /var/www/modx.loc/core/model/modx/processors/security/login.class.php:134 
Stack trace: 
#0 /var/www/modx.loc/core/model/modx/processors/security/login.class.php(209): modSecurityLoginProcessor->checkIsBlocked() 
#1 /var/www/modx.loc/core/model/modx/processors/security/login.class.php(396): modSecurityLoginProcessor->beforeLogin() 
#2 /var/www/modx.loc/core/model/modx/modprocessor.class.php(173): modSecurityLoginProcessor->process() 
#3 /var/www/modx.loc/core/model/modx/modx.class.php(1704): modProcessor->run() 
#4 /var/www/modx.loc/manager/controllers/default/security/login.class.php(189): modX->runProcessor('security/login', Array) 
#5 /var/www/modx.loc/manager/controllers/default/security/login.class.php(157): SecurityLoginManagerController->handleLogin() 
#6 /var/www/modx.loc/manager/controllers/default/security/login.class.php(40): SecurityLoginManagerController->handlePost() 
#7 /var/www/modx.loc/core/model/modx/modmanagercontroller.class.php(149): Secur in /var/www/modx.loc/core/model/modx/processors/security/login.class.php on line 134

Как это исправить?