Open your browser.

From the menu, select ... -> More tools -> Developer Tools.

Select the Network tab.

Make sure "Preserve Log" is checked.

Select the black circle to start recording the browser activity. This will change it into a red circle.

Reproduce the issue.

Select the red circle to stop recording. This will change it back into a black circle.

Right click in the console and select Save as HAR with Content.

Open your browser.

Press Ctrl + Shift + E to display the Network Monitor.

Re-create the error you want to share with technical support.

Select one of the action requests.

Select Save as a HAR file from the context menu.

Open your browser.

From the menu, select "..." -> More tools -> Developer Tools.

Select the Network tab.

Make sure "Preserve Log" is checked.

Select the concentric circle icon (Or use the keyboard shortcut CTRL+ E) to start recording the session. This will turn the button red and replace the filled inner circle with a filled square.

Select the same filled square button to stop recording the session.

Select the "Export HAR..." button to export the recorded session to a HAR file. The button looks like an arrow pointing downwards to a horizontal line.