Removed error console?

I can no longer bring to the top of the Console error in typing Ctrl + Maj + J and then I looked under Tools-> Web Developer and do not see the Console errors listed there.

It has been deleted? On the other hand, I don't remember Firefox, update in the last few days, but what could I do to remove it by chance?

If so, is there an extension used by people who still want this feature?

After restarting my browser, it is back. If anyone has any advice on why it would have disappeared, which is appreciated.

Tags: Firefox

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