Here you go:
2022-05-14 04:52:37,209:DEBUG:certbot._internal.display.obj:Notifying user: - The certificate was saved, but could not be installed (installer: nginx). After fixing the error shown below, try installing it again by running:
certbot install --cert-name duplicati.koalatyworks.com
2022-05-14 04:52:37,209:DEBUG:certbot._internal.log:Exiting abnormally:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/parser.py", line 359, in _modify_server_directives
block_func(result)
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/parser.py", line 570, in _add_directives
_add_directive(block, directive, insert_at_top)
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/parser.py", line 691, in _add_directive
raise errors.MisconfigurationError(err_fmt.format(directive, block[location]))
certbot.errors.MisconfigurationError: tried to insert directive "['ssl_trusted_certificate', '/etc/letsencrypt/live/duplicati.koalatyworks.com/chain.pem']" but found conflicting "['ssl_trusted_certificate', '/etc/letsencrypt/live/grace.koalatyworks.com/chain.pem']".
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/configurator.py", line 945, in _enable_ocsp_stapling_single
self.parser.add_server_directives(vhost,
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/parser.py", line 305, in add_server_directives
self._modify_server_directives(vhost,
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/parser.py", line 363, in _modify_server_directives
raise errors.MisconfigurationError("Problem in %s: %s" % (filename, str(err)))
certbot.errors.MisconfigurationError: Problem in /etc/nginx/sites-enabled/default: tried to insert directive "['ssl_trusted_certificate', '/etc/letsencrypt/live/duplicati.koalatyworks.com/chain.pem']" but found conflicting "['ssl_trusted_certificate', '/etc/letsencrypt/live/grace.koalatyworks.com/chain.pem']".
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/bin/certbot", line 33, in
sys.exit(load_entry_point('certbot==1.21.0', 'console_scripts', 'certbot')())
File "/usr/lib/python3/dist-packages/certbot/main.py", line 15, in main
return internal_main.main(cli_args)
File "/usr/lib/python3/dist-packages/certbot/_internal/main.py", line 1574, in main
return config.func(config, plugins)
File "/usr/lib/python3/dist-packages/certbot/_internal/main.py", line 1317, in run
raise installer_err
File "/usr/lib/python3/dist-packages/certbot/_internal/main.py", line 1301, in run
_install_cert(config, le_client, domains, new_lineage)
File "/usr/lib/python3/dist-packages/certbot/_internal/main.py", line 931, in _install_cert
le_client.enhance_config(domains, path_provider.chain_path)
File "/usr/lib/python3/dist-packages/certbot/_internal/client.py", line 603, in enhance_config
self.apply_enhancement(domains, enhancement_name, option)
File "/usr/lib/python3/dist-packages/certbot/_internal/client.py", line 634, in apply_enhancement
self.installer.enhance(dom, enhancement, options)
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/configurator.py", line 765, in enhance
return self._enhance_func[enhancement](domain, options)
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/configurator.py", line 919, in _enable_ocsp_stapling
self._enable_ocsp_stapling_single(vhost, chain_path)
File "/usr/lib/python3/dist-packages/certbot_nginx/_internal/configurator.py", line 949, in _enable_ocsp_stapling_single
raise errors.PluginError("An error occurred while enabling OCSP "
certbot.errors.PluginError: An error occurred while enabling OCSP stapling for {'grace.koalatyworks.com'}.
2022-05-14 04:52:37,210:ERROR:certbot._internal.log:An error occurred while enabling OCSP stapling for {'grace.koalatyworks.com'}.