[b8] [nexus] can not add fraud rule

Error

TypeError: IPS\nexus\Fraud\Rule::get__title(): Return value must be of type string, null returned (0)
#0 /home/ipsappzonecom/ipsappzone.com/public_html/system/Patterns/ActiveRecord.php(360): IPS\nexus\Fraud\Rule->get__title()
#1 /home/ipsappzonecom/ipsappzone.com/public_html/system/Node/Model.php(758): IPS\Patterns\ActiveRecord->__get()
#2 /home/ipsappzonecom/ipsappzone.com/public_html/system/Node/Controller.php(493): IPS\Node\Model->titleForLog()
#3 /home/ipsappzonecom/ipsappzone.com/public_html/system/Dispatcher/Controller.php(128): IPS\Node\Controller->form()
#4 /home/ipsappzonecom/ipsappzone.com/public_html/system/Node/Controller.php(117): IPS\Dispatcher\Controller->execute()
#5 /home/ipsappzonecom/ipsappzone.com/public_html/applications/nexus/modules/admin/payments/fraud.php(61): IPS\Node\Controller->execute()
#6 /home/ipsappzonecom/ipsappzone.com/public_html/applications/nexus/modules/admin/payments/paymentsettings.php(86): IPS\nexus\modules\admin\payments\fraud->execute()
#7 /home/ipsappzonecom/ipsappzone.com/public_html/system/Dispatcher/Controller.php(128): IPS\nexus\modules\admin\payments\paymentsettings->__call()
#8 /home/ipsappzonecom/ipsappzone.com/public_html/system/Dispatcher/Dispatcher.php(169): IPS\Dispatcher\Controller->execute()
#9 /home/ipsappzonecom/ipsappzone.com/public_html/admin/index.php(15): IPS\Dispatcher->run()
#10 {main}