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I am getting a communicat from Java Script that: exc in ev handl Type Error: brw is undefined, Can you help me? Thank you. I don't know what to do.

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mk98
mk98
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Exc in ev handl: TypeError: brw is undefined. Problem.

Exc in ev handl: TypeError: brw is undefined. Problem.

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cor-el
cor-el
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).