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I keep receiving the below error whenever I attempt to check a hands on challenge. I have logged in and out multiple times and get this error in multiple trailhead boxes.

There was an unhandled exception. Please reference ID: TBRSCDKH. Error: Restforce::UnauthorizedError. Message: INVALID_SESSION_ID: Session expired or invalid
14 risposte
  1. 24 mag 2017, 12:57
    This is something that just started in the past week, I had previously been using the trailhead sandboxes for the challenges without issue.  i have two trailhead DE's for the modules.  Both present the same error when attempting to check a challenge.