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siva kumar 176
Problem with trailhead UI
After clicking the check challenge button, it throws error but it didn't show what the error is?
function readOnly(count){ }
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It seems this is an inconsistent bug.I was able to resolve this issue after refreshing the browser or log out and log in again and then check challenge.
Hope this helps you!
Please mark it as Best Answer if my reply was helpful. It will make it available for other as the proper solution.
Thanks and Regards
Sandhya