The issue has been resolved.
NetSuite has identified this as an issue on their end. Defect 587723: SuiteTalk > Requests failing > UNEXPECTED_ERROR > com.netsuite.suitescript.profile.ScriptPerformanceMarker and has assigned it a U3 status. If you are having this issue let our support team know (send your NetSuite Account Number to cloudextend-support@celigo.com) and we'll ask NetSuite to add your org to the defect.
We are investigating an issue with the search Restlet generating Exception mails for account administrators.