Since yesterday, for some reason each time I try to display the console log in Firefox I get an *undefined* instead:

[![Enter image description here](https://i.stack.imgur.com/5LPZU.jpg)](https://i.stack.imgur.com/5LPZU.jpg)

I use this tool quite often, and just recently I saw that this is not working anymore. I have seem similar questions on Stack Overflow, but none of them with an answer to fix it.

This is what I have done so far to try fix it. I have already

* Reinstalled Firebug
* Reinstalled Firefox

And nothing seems to work. However, when I type "console" and hit the run button I get:

Is it a set up that I have to change?

[![Enter image description here](https://i.stack.imgur.com/Z1Igx.jpg)](https://i.stack.imgur.com/Z1Igx.jpg)