Note: The name “SmartConnector” will be changing to the “Integration App” to more clearly establish that our pre-built Integration Apps are built on our flagship Integration Platform as a Service, integrator.io. Find out more about integrator.io.
[firstname.lastname@example.org] com.celigo.celigosb.sfdc.service.SFDCException: INVALID_LOGIN: Invalid username, password, security token; or user locked out.
The Salesforce credentials used for the connector have already changed or expired and therefore the connection to Salesforce cannot be completed.
Update the Salesforce credentials via the Salesforce Control Panel. Follow the instructions on this link.