It's possible that you haven't enabled the app in the theme customizer, or perhaps your code hasn't been activated in the list of codes. Try one of the following:
1. If you haven't enabled the app in the theme customizer then follow the instructions below to activate the app
→ Toggle button Code Inserter SGTLab so that the app can start working on your website.
2. If your code hasn't been activated in the list of codes then follow the instructions below to activate the code
→ Tick the box Enable to add this code to your store so that the code can be activated.