Page Cache URL rewriting is not working

I had an error that says “nginx configuration file contains rules to rewrite url https://twenty-six.dev/w3tc_rewrite_test into https://twenty-six.dev/?w3tc_rewrite_test which, if handled by plugin, return “OK” message.
The plugin made a request to https://twenty-six.dev/w3tc_rewrite_test but received:
404 Not Found instead of “OK” response. “