I mucked around a little and set the time for stats to be for 5 minutes in the future.
I then ran a CRON and it said it had processed the stats, but I still get theSorry, there is no available data to display message.
This is the CRON output:
Server Time: Thu, 19 Jan 2012 15:40:06 +1100 Created missing context instances Cleaned up stale user sessions Running auth crons if required... Running enrol crons if required... Starting activity modules Finished activity modules Starting blocks Finished blocks Starting quiz reports Finished quiz reports Starting admin reports Finished admin reports Starting main gradebook job... done. Starting processing the event queue... done. Starting the completion cron... done Starting course reports Finished course reports Starting gradebook plugins Finished gradebook plugins Fetching external blog entries...done. Deleting blog associations linked to non-existent contexts...done. Starting registration update on hubs... Finished registration update on hubs. Deleting session linked tokens more than one day old...done. Starting admin tools Processing cron function for tool_qeupgradehelper... done. (1 dbqueries, 0 seconds) Finished admin tools Checking automated backup status...INACTIVE Running daily statistics gathering, starting at 1326286800: ................ finished until 1326373200: Friday, 13 January 2012, 12:00 AM (in 2 s) ................ finished until 1326459600: Saturday, 14 January 2012, 12:00 AM (in 2 s) ................ finished until 1326546000: Sunday, 15 January 2012, 12:00 AM (in 0 s) ................ finished until 1326632400: Monday, 16 January 2012, 12:00 AM (in 1 s) ................ finished until 1326718800: Tuesday, 17 January 2012, 12:00 AM (in 1 s) ................ finished until 1326805200: Wednesday, 18 January 2012, 12:00 AM (in 2 s) ................ finished until 1326891600: Thursday, 19 January 2012, 12:00 AM (in 0 s) ...completed 7 days of statistics. Running weekly statistics gathering, starting at 1326286800: finished until 1326546000: Sunday, 15 January 2012, 12:00 AM ...completed 1 weeks of statistics. Running stats cleanup tasks... ...stats cleanup finished Deleting old draft files... done. Cron script completed correctly Execution took 10.514042 seconds
Don't know if this information helps or not.