Looks like it is unable to create a working directory which is required to persist some data for temporay use. Please see this https://docs.workato.com/on-prem/agents/profile.html#connection-profiles
Is this Database on Premise? If yes you need to select the Gateway (OPA). If this is a cloud instance you need to provide a FQDN (full qualified domain name). In your config you just have a simple Hostname