Error details:
The E_ERROR error is caused by the code in line 200 of the file /home/milomenc/public_html/wp-content/plugins/fast-indexing-api/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php. Error message: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to oauth2.googleapis.com port 443: Connection refused (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) in /home/milomenc/public_html/wp-content/plugins/fast-indexing-api/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:200
Stack traces:
#0 /home/milomenc/public_html/wp-content/plugins/fast-indexing-api/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(155): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp) \Handler\EasyHandle), Array)
#1 /home/milomenc/public_html/wp-content/plugins/fast-indexing-api/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(105): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp) \Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 /home/milomenc/public_html/wp-content/plugins/fast-indexing-api/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(43): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp) \Handl
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