Firefox generating error?

Posted by Lynda on Super User See other posts from Super User or by Lynda
Published on 2011-11-02T21:40:10Z Indexed on 2011/11/15 1:58 UTC
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firefox

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error

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JavaScript

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firebug

I run Firebug on my computer since I develop websites. And I have been noticing this error consistently with every page I go to and I am lost as to what it is and believe it might be Firefox causing this error. Has anyone seen it before? Here is the error:

An exception occurred. Traceback (most recent call last): 
File "resource://jid1-g0j5yenav9jwla-at-jetpack-api-utils-lib/tabs/tab.js",
line 254, in null .getInterface(Ci.nsIWebNavigation) 
Error: Permission denied for <http://superuser.com> to create wrapper for 
object of class UnnamedClass

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