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Michelle McGaughey 6Michelle McGaughey 6 

I keep receiving the below error whenever I attempt to check a hands on challenge:

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
Zuinglio Lopes Ribeiro JúniorZuinglio Lopes Ribeiro Júnior
Hello Michelle,

Are you using your developer org or the DE org created with your trailhead account? Has it always happened or started now? Have you tried to clean your browser cache or trying a different browser?

Hope to have helped!

Regards.

Don't forget to mark your thread as 'SOLVED' with the answer that best helps you.
 
Amit Chaudhary 8Amit Chaudhary 8
Clear your browser cache or try in different browser..

Please close all tab login again and try again
Michelle McGaugheyMichelle McGaughey
I have cleared the cache on the browser and reattempted with the same error.  I have also tried on another browser with the same results.
Michelle McGaugheyMichelle McGaughey
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.
Pankaj Kumar 636Pankaj Kumar 636
Hello,
Me also getting the same error when I trying to do the hands-on challenge. Did you get the resolution of the problem? How you get rid of the error?
Please help me also, I just started with Salesforce and getting the error don't know how to tackle it.
Just put the error in google and found this thread.

There was an unhandled exception. Please reference ID: DSHWZWQX. Error: Restforce::UnauthorizedError. Message: INVALID_SESSION_ID: Session expired or invalid
Check Challenge to Earn 500 Points
MOHAMAD SHARAFUDDIN SALEHMOHAMAD SHARAFUDDIN SALEH
Im having the same problem as well. Mine happens at the Security Specialist Superebadge. Would like to understand more about this as I've done the requirements but keep on getting this error message upon checking results:

"There was an unhandled exception. Please reference ID: DWQYJDGK. Error: Restforce::UnauthorizedError. Message: INVALID_SESSION_ID: Session expired or invalid"

Hope somebody could guide me. Thanks
Jaya Madhavi 5Jaya Madhavi 5

Hey, incase you have recently created and deployed a new domain, it would have changed your username with which you were logged into your playground.

This could a reason why it is not able to fetch your changes, try connecting a new org with the latest username and verify your changes in that playground. Let me know if it works!

Jayanthi Subramanian 7Jayanthi Subramanian 7
I trid with new domain, again same issue............
 
Prashant Saravagol 5Prashant Saravagol 5
Hi, Even i am getting this below error when tried to verify the steps  "
There was an unhandled exception. Please reference ID: MLLIFPHA. Error: Restforce::UnauthorizedError. Message: INVALID_SESSION_ID: Session expired or invalid" 

From the error message looks more of login session doesnt matches b/w trialhead and developer sales force session. Tried of clearing the browser cache , re-logging again to trialhead via sales force but still the same error.
Sonia Yadav 9Sonia Yadav 9
Hi, I tried disconnecting the playground from Hands-on-org and connected back, it worked.
Stefano ColtroStefano Coltro
Hi, I've found this issue too and I've been able to solve it,
If you just changed the Mydomain name, Triailhead does not recognized the changes when verifying the assessment, (probably becase was open in a different page at the same time?).
To solve the error had to go back to Mydomain and deployed the previous domain was given as default, curious bear, cute goat etc.