Hi @elaine.rosenberg - thanks for getting back to me. I tried this with no luck
So, I unenrolled this course and reenrolled it again. Finally, I could get the sandbox sidebar open. It's a little inconvenient but I can resume coding in the exercise.
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@elaine.rosenberg - same problem with me. I can log in to sandbox and check results via *.neo4jsandbox.com. However, it cannot be toggled via the course page and it doesn't pick up changes I made via sandbox.!
Please refer to the picture in this repl...