Hello,

This is to report an issue on Trailhead projects units.
The following error message is displayed when trying to go to the next unit of aTrailhead project.
400 Bad Request
Request Header Or Cookie Too Large

Screenshot of the web page displaying the error:


Here is a sample URL that I was trying to access, does not when refreshing the URL.
https://developer.salesforce.com/trailhead/project/quickstart-lightning-components/quickstart-lightning-components2

Any help is much appreciated, thanks

Shamina

Anyone Seen this on the validation rule trailhead? - Challenge not yet complete... here's what's wrong: 
There was an unexpected error in your org which is preventing this assessment check from completing: System.DmlException: Insert failed. First exception on row 0; first error: FIELD_CUSTOM_VALIDATION_EXCEPTION, Contact Must Be in Account Zip Code: []