Contentful: How to fix the "local storage" issue in Google Chrome
Introduction
In Google Chrome, you might encounter a problem with displaying the XTM Connect plugin from content level or accessing it from the Apps section. In both cases, a blank page is displayed and the error shown below occurs in DevTools (click here to learn more on how to use the browser's developer tools):
How to fix the issue
To fix the issue, you need to change the cookies settings in your Google Chrome browser. To do this, go to Settings → Privacy & Security → Browser privacy → Cookies and Site Data → General settings. Alternatively, you can just copy the following chrome://settings/cookies link and paste it into the address bar.
Make sure that the Allow all cookies option is ENABLED and the Block third-party cookies option is DISABLED.
Google Chrome will save the changes automatically. To learn more about the error itself, visit this link: https://growthdot.com/help/failed-to-read-the-localstorage-property-from-window-error/.