hey there. if you manage more than 10 certs on one host, each further rancher-letsencrypt container will crash with that message and will constantly try again since rancher restarts it over and over.
one way this could be solved: let it run and queue issuing 3 hours ahead in case this will be triggered.
another way this could be solved:
give us the possibility to issue multiple certs through one container so the container could manage this by itself.