Exception caught in 'core.app.after_request' filter: Hook error: Can't use string ("") as a subroutine ref while "strict refs" in use at /usr/local/share/perl5/Dancer2/Core/App.pm line 1103.
 at /usr/local/share/perl5/Dancer2/Core/App.pm line 36. in /usr/local/share/perl5/Dancer2/Core/App.pm l. 676