Cacti has stopped graphing

I got cacti to work and it was graphing for about an hour. The cron is running as per the log. I don't see any errors in poller.php. Here is some output from cacti.log:

09/20/2013 10:55:02 AM - SYSTEM STATS: Time:0.7426 Method:cmd.php Processes:1 Threads:N/A Hosts:15 HostsPerProcess:15 DataSources:199 RRDsProcessed:104

So it looks like its polling but doesn't want to graph. Can anyone help?

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Double check the configuration, database to make sure that corruption did not occur and that the graph reference was altered.
Double check that you can still poll and retrieve the data.
jsparnovaAuthor Commented:
I rebuilt the poller cache and it kickstarted it up again.

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jsparnovaAuthor Commented:
I found this before I seen another comment
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