Im having the same issue and this is what I found so far:
– The issue is related to the function can_wp_make_requests_to_itself() in the file includes/class-ss-diagnostic.php.
– I replaced $message = null with $message = $response->get_error_message(); in line 185, then I got this message: cURL error 6: Could not resolve host: myhost.com
– I googled that error and found: cURL error 6 mainly occurs when the given remote host does not resolve properly. Also, it is related to the DNS, and we fix this error by resolving the DNS.
I have to mention that I have my site installed in a shared hosting and using Cloudflare as DNS.
Hope that anyone have more info to find a solution.
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This reply was modified 4 years, 1 month ago by vtisnado.
