"Error While Installing - expecting value line 1 col 1 (char 0)

I get an error message regularly on my yahoo mail page, and then erratically on other pages I am reading. "Error While Installing - Expecting value: line 1 column 1 (char 0)

My understanding is that this is from an app which sends ads to your browser page.

Is there a way to stop getting this while I am using Brave??? It’s pretty annoying. I am not the “tinker with code type” so hopefully there is some fix which I can do easily.

version is up to date: [
Version 1.21.76 Chromium: 89.0.4389.86 (Official Build) (x86_64)


Description of the issue:
How can this issue be reproduced?

Expected result:

Brave Version( check About Brave):

Additional Information:

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