Hi Bernhard,
using Firebug to place a breakpoint just before "return
window.JSON.parse(data)" I could see that "data" had this text as its
content:
"<br />
<b>Fatal error</b>: Call to a member function getValue() on a
non-object in
<b>/home/kdz/standards/extensions/SemanticMediaWiki/includes/query/SMW_QueryProcessor.php</b>
on line <b>125</b><br />
"
This is not JSON so JSON.parse shows that error you are seeing.
The Javascript-code at this place (wherever it originates) is not
optimal. IMO it should catch that error. But that's a different story...
Greetings
Hermann
On 06/09/2015 11:56 AM, Krabina Bernhard wrote:
> Dear all,
>
> I try to use Semantic Image Annotator [1] for the first time. You can
> see here [2] what happens: I have the "start annotating" button, but
> when I click it I cannot add any annotation. I have a form and
> template in place, but the problem seems to before the form call,
> because the annotation mode does not work. I can increase and decrase
> the picture size, but other than that, nothing happens.
>
> Firebug shows an syntax error: SyntaxError: JSON.parse: unexpected
> character at line 1 column 1 of the JSON data
> ..(window.JSON&&window.JSON.parse){return
> window.JSON.parse(data);}if(rvalidchars....
> [...]
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