Exception

The application raised an exception with the message:

Attempt to capture a continuation from within an unsafe context: (#((#t send/suspend) #f) #((#f stx) #f))

Stack trace:

call-with-serializable-current-continuation at:
  line 150, column 0, in file /usr/share/racket/pkgs/web-server-lib/web-server/lang/abort-resume.rkt
l5233 at:
  line 15, column 26, in file /usr/share/racket/pkgs/web-server-lib/web-server/lang/serial-lambda.rkt
<unknown procedure> at:
  line 486, column 18, in file /usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt
<unknown procedure> at:
  line 375, column 33, in file /usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt
<unknown procedure> at:
  line 63, column 2, in file /usr/share/racket/pkgs/web-server-lib/web-server/dispatchers/dispatch-servlets.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
select-handler/no-breaks at:
  line 163, column 2, in file /usr/share/racket/collects/racket/private/more-scheme.rkt
<unknown procedure> at:
  line 144, column 8, in file /usr/share/racket/pkgs/web-server-lib/web-server/private/dispatch-server-with-connect-unit.rkt