Hello,
We apologize for the issue you are facing with the Error 4 on your URLs. To resolve this, you should first identify the underlying 4xx error that is causing the blockage. Here are the steps you can take:
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Check Google Search Console: Go to the Pages section of Google Search Console and click on the Not indexed tab. Look for the status labeled "Blocked Due To Other 4XX Issue" to see if your URLs are listed there.



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Check Rank Math Analytics: You can also check the Index Status under Rank Math SEO → Analytics → Index Status tab. This will provide you with real-time data about your pages and their indexing status.


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Identify and Fix the Error: Once you have identified the specific 4xx error affecting your URLs, take steps to fix it. This could involve checking for issues like broken links, incorrect redirects, or server errors.
If you continue to experience issues after following these steps, please reply to this ticket, and a human agent from our support team will assist you further. Thank you for raising this concern!
Sources:
How to Fix the ‘Blocked Due to Other 4xx Issue’ Error » Rank Math
Hello,
Thank you for contacting Rank Math support.
Please share a copy of the error or the screenshot. You can share images with us by uploading them to an image hosting site like Imgur, and then sharing the generated URL with us here.
We are looking forward to hearing back from you.
Hello,
From your screenshot, it seems that you are checking the status of those URLs.
Assuming you have submitted the URL, that means that the URL was still not processed by the Indexing API from Google. It’s important to note that the requirements for that have changed and now the URLs go through rigorous spam detection.
Besides that, the guidelines now state that this is exclusive to a particular set of websites, so if your website doesn’t fall under that category or is considered spammy the submission will go through but the API will never parse the URLs.
You can check the full guidelines here: https://developers.google.com/search/apis/indexing-api/v3/quickstart

Looking forward to helping you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.