Good call.
 On Mon, Mar 6, 2017 at 12:15 PM, Thomas Mortagne <
 thomas.mortagne(a)xwiki.com> wrote:
  It's possible you can get the complete error
in the HTML. I noticed
 that in some places the click does not work.
 On Mon, Mar 6, 2017 at 7:02 PM, Keith Davis <laurinkeithdavis(a)gmail.com>
 wrote:
  I can reproduce the error message, but that's
it.
 If I click where it says, "click on this message for more details", 
nothing
  happens (it's not clickable).
 On Mon, Mar 6, 2017 at 11:44 AM Thomas Mortagne < 
 thomas.mortagne(a)xwiki.com>
  wrote:
>
> If you can reproduce it again, would be great if you could click on
> the message to get the complete error and create a jira issue with the
> details on 
https://jira.xwiki.org/browse/XWIKI.
>
> On Mon, Mar 6, 2017 at 6:42 PM, Thomas Mortagne
> <thomas.mortagne(a)xwiki.com> wrote:
> > It probably does not have anything to do with the extensions 
 themself.
 > > Looks more like a random bug of
Extension Manager UI.
> >
> > On Mon, Mar 6, 2017 at 5:59 PM, Keith Davis < 
laurinkeithdavis(a)gmail.com>
   >
wrote:
 >> Well, maybe I’m crazy, now it's only happening for the Let’s Encrypt
 >> extension.
 >>
 >> On Mon, Mar 6, 2017 at 10:57 AM, Keith Davis
 >> <laurinkeithdavis(a)gmail.com>
 >> wrote:
 >>
 >>> I installed the Let's Encrypt extension and got this message:
 >>>
 >>> Failed to execute the [velocity] macro. Cause: [Illegal char <:> at
 >>> index
 >>> 4: wiki:]. Click on this message for details.
 >>>
 >>> So I created this issue:
 >>>
 >>> 
http://jira.xwiki.org/browse/LENCRYPT-3
 >>>
 >>> But then I realized, that I get this same error for one other
 >>> extension: Icon Theme Application
 >>>
 >>> Any ideas?
 >>>
 >>> --
 >>> Keith Davis
 >>> 214-906-5183 <(214)%20906-5183>
 >>>
 >>
 >>
 >>
 >> --
 >> Keith Davis
 >> 214-906-5183
 >
 >
 >
 > --
 > Thomas Mortagne
 --
 Thomas Mortagne 
 --
 Keith Davis
 214-906-5183 
 
 --
 Thomas Mortagne