I reported the same problem a few days ago.  It has already been fixed
in the development version but unfortunately the bug is still in the
version available on Elpa.  I solved it by installing the development
version manually.  Instructions can be found here:

  http://orgmode.org/org.html#Installation

Good luck!

  Titus

On 2016-01-30 Sat 19:32, Russell L. Carter wrote:
> The bug is a link like this:
>
> * [[http://google.com]]
>
> is displayed as a string literal and a link like this works:
>
> * [[ttp://google.com]]
>
> I recently started using helm, and just installed magit, but
> haven't configured it.  Otherwise, the configuration has not
> changed in quite some time.
>
> Thanks,
> Russell
>
> On 01/30/16 17:03, Russell L. Carter wrote:
>> Hi,
>>
>> org-version is 8.3.3-26-ge92a06-elpa, emacs is 25.0.50.1 on FreeBSD
>> stable.  Hyperlinks on my unchanged configuration just stopped
>> working, and display as the literal string.  Neither
>> org-toggle-link-display nor font-lock-mode has any effect.  I see
>> these in the Messages buffer:
>>
>> Error during redisplay: (jit-lock-function 1) signaled
>> (wrong-type-argument listp org-level-1)
>> Error during redisplay: (jit-lock-function 1780) signaled
>> (wrong-type-argument listp org-level-1)
>>
>> I'm using the emacs package manager.  I tried deleting org and reinstalling
>> a fresh copy to no effect.
>>
>> Here's my entire configuration:
>>
>> (use-package org
>>               :config
>>               (setq org-directory "~")
>>               (setq org-agenda-files '("~/org/TODO.org"))
>>               (setq org-mobile-files '("~/org/mobile-staging-public"))
>>               (setq org-mobile-directory "~/org/mobile-staging-private")
>>               (setq org-mobile-inbox-for-pull "~/org/from-mobile.org")
>>
>>               :mode
>>               ("\\.text\\'" . org-mode)
>>               ("\\.markdown\\'" . org-mode)
>>               ("\\.md\\'" . org-mode))
>>
>>
>> Any clues as to what might be wrong would be appreciated.
>>
>> Thanks!
>> Russell
>>