Bonjour,
je n'arrive plus à renouveler mon certificat, voici ce que j'ai lancer comme commande:

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root@root:/home/root# cerbot-auto renew --dry-run
bash: cerbot-auto : commande introuvable
root@root:/home/root# certbot-auto renew --dry-run
Upgrading certbot-auto 0.27.1 to 0.28.0...
Replacing certbot-auto...
Creating virtual environment...
Installing Python packages...
Installation succeeded.
Saving debug log to /var/log/letsencrypt/letsencrypt.log
 
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Processing /etc/letsencrypt/renewal/monsite.fr.conf
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Cert is due for renewal, auto-renewing...
Plugins selected: Authenticator webroot, Installer None
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for www.monsite.fr
http-01 challenge for monsite.fr
Waiting for verification...
Cleaning up challenges
Attempting to renew cert (monsite.fr) from /etc/letsencrypt/renewal/monsite.fr.conf produced an unexpected error: Failed aut                                             horization procedure. monsite.fr (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authori                                             zation :: Invalid response from http://monsite.fr/.well-known/acme-challenge/cJ2X5j-x32kcNzPOWMkJ9lK0aBckrHa127BPY5VwHhc:                                              "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body bgcolor=\"white\">\r\n<center><h1>404 Not Found</h1></cent                                             er>\r\n<hr><center>". Skipping.
All renewal attempts failed. The following certs could not be renewed:
  /etc/letsencrypt/live/monsite.fr/fullchain.pem (failure)
 
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** DRY RUN: simulating 'certbot renew' close to cert expiry
**          (The test certificates below have not been saved.)
 
All renewal attempts failed. The following certs could not be renewed:
  /etc/letsencrypt/live/monsite.fr/fullchain.pem (failure)
** DRY RUN: simulating 'certbot renew' close to cert expiry
**          (The test certificates above have not been saved.)
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1 renew failure(s), 0 parse failure(s)
 
IMPORTANT NOTES:
 - The following errors were reported by the server:
 
   Domain: monsite.fr
   Type:   unauthorized
   Detail: Invalid response from
   http://monsite.fr/.well-known/acme-challenge/cJ2X5j-x32kcNzPOWMkJ9lK0aBckrHa127BPY5VwHhc:
   "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body
   bgcolor=\"white\">\r\n<center><h1>404 Not
   Found</h1></center>\r\n<hr><center>"
 
   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address.
normalement j'ai ouvert mon port 80, mais apparement je pense qu'il n'est pas capable d'écrire dans le fichier acme-challenge

Que faut t'il faire pour y arriver, merci de vos réponse