/uFailed to perform rollback on Remove SSH known hosts

Problem:
Unable to remove some hosts. Foreman shows an error message: “Failed to perform rollback on Remove SSH known hosts for xxxxxxxx - Dont know how to rollback drop_from_known_hosts”. This problem happens only with some hosts and I’m unable to figure out what’s wrong.

Expected outcome:
Host should be deleted without problems

Foreman and Proxy versions:
2.0.0

Foreman and Proxy plugin versions:

Distribution and version:
CentOS Linux release 7.8.2003

Other relevant data:
curl -s -k -u :*** -H “Accept: version=2,application/json” -X DELETE https://foreman/api/hosts/hrgspog1.mydomain.local
{
“error”: {“id”:1585,“errors”:{“base”:[“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for hrgspog1.mydomain.local - Dont know how to rollback drop_from_known_hosts”]},“full_messages”:[“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for - Dont know how to rollback drop_from_known_hosts”,“Failed to perform rollback on Remove SSH known hosts for hrgspog1.mydomain.local - Dont know how to rollback drop_from_known_hosts”]}
}

Hi, what version of smart proxy remote execution ssh do you have?

tfm-rubygem-smart_proxy_remote_execution_ssh-0.3.0-1.fm2_0.el7.noarch

Any one? Even using the most recent Foreman’s
and system packets (CentOS 7), the problem still happens when trying to delete only some hosts.