# Viewing performance testing errors

> View HTTP and automation errors in the Users and Infrastructure charts to pinpoint when and where issues occurred during a test execution.

Investigate failed performance test executions by selecting HTTP errors or Automation errors in a Users or Infrastructure chart. The matching errors then appear in the Web Traffic and Automation Errors sections.

## Steps

1. Open an execution and select a view of interest from the **Users** charts or the **Infrastructure** charts.
2. Perform a selection in the view of interest (**HTTP errors** or **Automation errors**).
3. Consult the errors in the **Web Traffic** section and the **Automation Errors** section.

## Result

You identify when and where HTTP and automation errors occurred during the test execution.