getting below errors in Cataina.out logs

2014-09-12 13:52:06,277 vcac: [component="cafe:shell" priority="ERROR" thread="tomcat-http--51" tenant="vsphere.local"] com.vmware.vcac.authentication.sts.SamlTokenService.acquireActAsToken:99 - Cannot exchange bearer for ActAs tokens. See SSO logs for more details

com.vmware.vim.sso.client.exception.InvalidTimingException: Token expiration date: Fri Sep 12 13:51:22 EDT 2014 is in the past.

this is logged right after user hit login button on vCAC portal

Any thoughts?

Br,

MG