Pink Error "The page could not be loaded. [HTTP Code = 500] (APNX-1-4279-0

Question

Pink Error "The page could not be loaded. [HTTP Code = 500] (APNX-1-4279-001)?" This error is being displayed and there is nothing in the logs OriginalPostID-219746 OriginalPostID-219746

Ravi Roshan · Answer

Gurdeep, There Can be multiple issue: 
1. When you open the interface, is it open in Design View or Expression view? If it is opening in Expression view then there is something wrong with the code, to know the issue click on Design view, it will popup a message about the error. 
2. If there is heavy data call on load of the interface, if it is there then try to make that call on process model level