original error call should appear in the error stack (right side)

[olaulau]

and not only on the top of the page.
so that we can view the code associated with it !

for example if you intentionally throw an exception :

BTW, very good work !
thanks.

[olaulau]

outputting an HTTP 404 with

$f3->error(404);

is even worse as we don't even get the file / line from which it originated on top of the page :