I am working on the Business Specialist superbadge and all of the sudden Trailhead can't talk to the playground.  The was a BRAND NEW org specifically for this superbadge.  The only changes to the org have been the changes required by the badge.  See below error.

Challenge Not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge. Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: AULRKINT

I am getting the following error:

Challenge Not yet complete... here's what's wrong: 
Lightning Knowledge hasn't been turned on.

When Lightning Knowledge is clearly turned on.  All users (myself and the two users for challenge) have the permission set.  My user and Johon Wiseman have the Knowledge User box checked on User Record.  It's on, but system isn't seeing it for some reason.

I am working on the Business Specialist superbadge and all of the sudden Trailhead can't talk to the playground.  The was a BRAND NEW org specifically for this superbadge.  The only changes to the org have been the changes required by the badge.  See below error.

Challenge Not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge. Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: AULRKINT

Hi,

i am getting below error while completing "Lightning Experience Rollout Specialist Superbadge Step #8"
Challenge Not yet complete... here's what's wrong:
Knowledge must be enabled for the org.
.

i have alredy enabled knowledge settings..



Thank you.

Hi,

i am getting below error while completing "Lightning Experience Rollout Specialist Superbadge Step #8"
Challenge Not yet complete... here's what's wrong:
Knowledge must be enabled for the org.
.

i have alredy enabled knowledge settings..



Thank you.