Affects Version/s: 7.2.X, 7.3.X, Master
1. Add a Regular Role "Role A", grant this role the following permission
2. Create a new User "User A", assign the "Role A" to this user.
3. Log in Liferay with "User A", go to Control Panel, click the "Instance Settings",
Result: Got the error on UI "Portlet is temporarily unavailable", meanwhile, the following error can be observed in the log.
4. Click "App Manager", the same result as step 4 can be observed.