If you open an existing job and scroll down the data sheet, you will find the sections Additional Information and Error Logs:

• For further details about Additional Information go to page Editing a Cron Job.
  
• Section Error Logs provides an overview of errors encountered during execution.

The log list is not loaded dynamically.

Use the button to reload the logs.

You have different possibilities to filter the content of the log display:

• Show all: Shows all log entries.
• Last 24 hours
• Last week
• Last 30 days