Hello, I’m sorry to hear that you’re still facing issues with the validation in the Google Search Console. It seems like you’ve already taken some steps to address this issue based on our previous recommendations.
Since the validation is still failing, it’s possible that there might be an underlying issue causing this. To further investigate and resolve this, I recommend reaching out to our support team directly by clicking here. Our team is available 24×7 and will be happy to assist you with any issues you might be facing.
If you have any other questions or need further assistance, please feel free to let us know.
Sources:
Alternate Page with Proper Canonical Tag Status in Google Search Console » Rank Math
How to Fix “Duplicate, Google Chose Different Canonical than User” » Rank Math
How to Fix ‘Duplicate, Submitted URL Not Selected as Canonical’ Issue in Google Search Console » Rank Math
Page With Redirect – Google Search Console Status » Rank Math
Hello,
Thank you for contacting us and sorry for any inconvenience that might have been caused due to that.
We checked your page and we can see it is properly getting redirected from non-trailing slash to trailing slash.

In this case, please try to clear your website cache including any server-level cache, and revalidate the issue. Once done, give Google some time to recrawl your site.

In case, you’re facing this issue with some other URLs, please share some of them with us so that we can check this further for you.
Let us know how it goes. Looking forward to helping you.
Thank 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.