PA dashboard does not load when selected in the drop down box.
In the developer tools on console check for the following error
SyntaxError: Unexpected token in JSON at position
at JSON.parse (<anonymous>)
This error happens due to special characters in widgets name or description.
Check all the widgets on the dashboard and remove the special characters.
Please do not directly copy paste name or description from MS word , web browser which adds special characters in the text when creating a widget.