Can browser extensions or ad blockers cause 'captcha validation error, value is required' errors?

Yes, browser extensions or ad blockers can interfere with CAPTCHA functionality. They might block JavaScript required for the CAPTCHA to load or the POST request that submits the CAPTCHA results. To mitigate this, inform users to disable such extensions for your website or ensure your CAPTCHA implementation is resistant to such blockers, if possible. Consider alternative, less intrusive CAPTCHA options if you find many users encountering this issue.