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The "ContentBySearchWebPart" Web Part appears to be causing a problem. The requested service, 'http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc/actas' could not be activated. See the server's diagnostic trace logs for more information.

Web Parts Maintenance Page: If you have permission, you can use this page to temporarily close Web Parts or remove personal settings. For more information, contact your site administrator.