Unable to start nginx: SSLCertificateFile: file does not exist or is empty

Symptoms

• The following error is shown in Plesk:

  Template_Exception: nginx: [emerg] cannot load certificate "/usr/local/psa/var/certificates/XXXX": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/usr/local/psa/var/certificates/scfcUPC5w','r') error:2006D080:BIO routines:BIO_new_file:no such file)
  nginx: configuration file /etc/nginx/nginx.conf test failed

• Cannot start nginx:

  # service nginx restart
  Restarting nginx (via systemctl): Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.

Cause

Corrupted SSL certificate.

Resolution

1. Connect to the server via SSH

2. Repair the SSL certificates:

   # plesk repair web -sslcerts