Marco is employed with PTG Ltd. His task is to create a Power App Portal. He notices that a "User not found" error message displays when a user tries to login into the portal. Given that the user's sign-in information is accurate, Marco has been entrusted with determining the reason for the issue. <br>
<br>
Which of the following choices should Marco make in order to determine what caused the error?
-
A
Create a custom error message
-
B
Enable diagnostic tools in Lifecycle Services
-
C
Enable Maintenance mode
-
D
Disable custom error messages