certbot :: Method not allowed 

//The request message was malformed :: Method not allowed
//Error message
//output:Attempting to renew cert from/etc/letsencrypt/renewal/xxxxxxxxxxxxxx produced an unexpected error: urn:ietf:params:acme:error:malformed :: The request message was malformed :: Method not allowed. Skipping.

yum install certbot python2-certbot-nginx
yum install python2-acme