Troubleshoot in Flow Designer

Here are several resources that you can refer to when troubleshooting problems in Flow Designer.

Log Data with Logger: You add one or more Logger core components to a flow to log information from the flow at runtime.
List and Navigate to Errors that are in a Mule-App Project: Learn where to find out about any errors that might be in your flows and how to locate where the errors occur.
View the Log for a Mule-App Project in Flow Designer: Learn how to view the log for a Mule-application project. This log can be helpful when you test an app or when you are working with MuleSoft support to diagnose problems running an app.
Error Messages for Flow Designer: Learn how to resolve problems Flow Designer might encounter when initializing, running, and deploying Mule-application projects.