Console needs third-party cookies enabled to allow some features to function, such as the switching from Live to Sandbox:
- If you're using Incognito Mode, switch to normal mode;
- Check if third-party cookies is enabled in the normal mode. On Chrome, open chrome://settings/cookies?search=third-party
If you still can't switch to Production
- Click on "Data API" on the left-hand side
- Click on the "Go to live env" blue button
- Follow the instructions.