Can you see the "Work items" jobs listed under the Data collection status page ? OR do you see some thing like "*****Started Job Work Items at ..." in the ccm-etl.log file ?
If not then you may want to contact Rational Support else try from a different browser as this could be browser cache playing
YOGESH LOKHANDE selected this answer as the correct answer
Dashboards and work items are no longer publicly available, so some links may be invalid. We now provide similar information through other means.
Learn more here.