When you open "Theme Builder" page from ShortPoint Dashboard in Chrome browser and click on "Customize my site" button theme builder does not open and page freezes:
In developer tools console you find the following error:
To fix this make sure the "Page Diagnostics for SharePoint" extension is disabled:
- In Chrome go to More Tools => Extensions
- Find the "Page Diagnostics for SharePoint" extension
- Disable the extension
- Go back to you SharePoint site page and refresh the page.