The remote server's SSL certificate or SSH md5 fingerprint was deemed
not OK. This error code has been unified with CURLE_SSL_CACERT since
7.62.0. Its previous value was 51.
If you're in development/testing mode, you can disable SSL verification in openwisp-config by modifying /etc/config/openwisp and setting verify_ssl to 0.
In production you will have to make sure the SSL certificate of the server is valid.
If you're in development/testing mode, you can disable SSL verification in openwisp-config by modifying /etc/config/openwisp and setting verify_ssl to 0.
In production you will have to make sure the SSL certificate of the server is valid.