The issue might appear when viewing contacts in the Experience Profile. The An error has occurred message is displayed and the following error occurs in log records:
ERROR Profile data can not be shown for this visitor. Contact the system administrator.
Exception: System.ApplicationException
Message: Profile data can not be shown for this visitor. Contact the system administrator.
Source: Sitecore.Cintel
at Sitecore.Cintel.Reporting.Contact.ProfileInfo.Processors.FindBestPatternMatchAndApplyToProfileInfo.ApplyPatternToOneProfile(ReportProcessorArgs args, DataRow profileRow)
at Sitecore.Cintel.Reporting.Contact.ProfileInfo.Processors.FindBestPatternMatchAndApplyToProfileInfo.ApplyPatternsToResultTable(ReportProcessorArgs args, DataTable resultTable)
at (Object , Object[] )
at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
at Sitecore.Cintel.Reporting.PipelineViewProvider.GenerateContactView(ViewParameters viewParameters)
at Sitecore.Cintel.Endpoint.IntelController.Get(ViewParameters viewParams, Guid contactId, String viewId, String id)
To resolve the issue, consider one of the following options: