Follow the step below to enable the QR code in your ticket:
Step 1: Step 1: Log in to your WordPress admin panel
Step 2: Click on the “Events” button to open a drop-down list
Step 3: From the drop-down list click on the “QR Setting” button.
Step 4: Now from the QR setting panel you can easily configure and enable the QR code.
The screenshot below shows how to enable the QR code: