The Workflow Stats page provides you with valuable information about the actions that have been run for your workflows. This includes both success and error messages, and also queued items.
Workflow logs are kept for 30 days only.
Example of a workflow with errors:
Workflow stats page with one success and one error message:
Actions that error can be edited and retried directly from the Stats page. Simply click "Edit Settings" and modify the action, then click "Retry with New Settings". Example:
Workflows that include some type of delay will show up as "Queued". The original payload data can be viewed. Example: