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SF Operator
Can't switch users to Lightning Experience
After migrating everything to lightning, I had some issues, on the first week, I was able to switch my user and another one without problems but now, I can't switch anybody.
Try all the steps as mentioned in the below blog,
https://developer.salesforce.com/forums/?id=9060G0000005gYVQAY
If you still face the issue let me know.
Thanks!
I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks!