We are Unable to access Roles Resources "Custom" option type in Magento 2 to add the custom roles.
When we select Custom option type, nothing is getting displayed. And also no issue is getting logged under Magento logs
Navigated to the following configuration in admin
System -> User Roles -> Add New Role -> Role Resource -> Resource Access select custom
Magento ver. 2.1.3
PHP 7.0.14 OS: Red hat
Any help in this regard is appreciated.