Getting the following issue while solving the Understand Cross-Site Scripting (XSS) trail under Understand Cross-Site Scripting (XSS) Module.

"There was an unhandled exception. Please reference ID: VNEMXUKK. Error: Faraday::ClientError. Message: INVALID_TYPE: select id from cvcs__c where name = 'xbc1' and ^ ERROR at Row:1:Column:16 sObject type 'cvcs__c' is not supported. If you are attempting to use a custom object, be sure to append the '__c' after the entity name. Please reference your WSDL or the describe call for the appropriate names."

The cvcs__c is a custom setting.