I have the following error and can not open my lab, please help and suggest to me:
404 : Not Found
You are requesting a page that does not exist!
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Looks like a temporary issue.
Check if your have any VPN or Antivirus installed and disable temporally a try to access the lab again.
Also, check if your network connection is stable.
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If you had renamed the lab notebook file, you’ll have to use the Help menu to get a new copy.
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Do I need to rename my Assignment or not?
Best Regards
If you can’t open the lab, then your notebook file is already gone.
So to start over, try this:
Use the Help menu.
Use the “Get latest version” button.
The use Help - Reboot server.
Then you should be able to load the notebook.
Thank you 