I have a problem with installing an SSL certificate with certbot on Ubuntu.
2017-11-20 19:57:50,640:DEBUG:certbot.error_handler:Calling registered functions
2017-11-20 19:57:50,642:DEBUG:certbot.reporter:Reporting to user: Unable to install the certificate
2017-11-20 19:57:50,642:DEBUG:certbot.log:Exiting abnormally:
Traceback (most recent call last):
File "/opt/eff.org/certbot/venv/bin/letsencrypt", line 11, in <module>
sys.exit(main())
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot/main.py", line 861, in main
return config.func(config, plugins)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot/main.py", line 705, in run
_install_cert(config, le_client, domains, new_lineage)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot/main.py", line 565, in _install_cert
path_provider.cert_path, path_provider.chain_path, path_provider.fullchain_path)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot/client.py", line 452, in deploy_certificate
fullchain_path=fullchain_path)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot_apache/configurator.py", line 253, in deploy_cert
vhost = self.choose_vhost(domain)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot_apache/configurator.py", line 347, in choose_vhost
vhost = self.make_vhost_ssl(vhost)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot_apache/configurator.py", line 852, in make_vhost_ssl
self._copy_create_ssl_vhost_skeleton(nonssl_vhost, ssl_fp)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot_apache/configurator.py", line 998, in _copy_create_ssl_vhost_skeleton
ssl_vh_contents, sift = self._sift_rewrite_rules(orig_contents)
File "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot_apache/configurator.py", line 1070, in _sift_rewrite_rules
line = next(contents)
StopIteration
This error occurs (I tried reinstalling certbot).
Please help, I have tried to resolve this for 2 days.