Receiving this error in log

I am not connect the contact to the mail.
I have segment and contact done
I have put in the rabbitmq for the queue and it still does not move. unless I to add some in the rabbit which I have not found any literature on.
I change the local host to 55672 in the php
here is the message now?

[2020-11-19 22:48:59] mautic.CRITICAL: Uncaught PHP Exception ErrorException: “stream_socket_client(): unable to connect to tcp://localhost:15672:55672 (Network is unreachable)” at /home4/erbornb2/providencesilverco.com/mautic/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/IO/StreamIO.php line 141 {“exception”:"[object] (ErrorException(code: 0): stream_socket_client(): unable to connect to tcp://localhost:15672:55672 (Network is unreachable) at /home4/erbornb2/providencesilverco.com/mautic/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Wire/IO/StreamIO.php:141)"}

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