Old tick error

 

I ran a long optimization over night and when I try to run through individual results the EA does not trade and there is an "old tick" error, any ideas why and how to get around this? Seems as though the overnight option was pointless as I cannot even analyze individual results.

2015.04.24 10:14:56    Core 1    old tick AUDUSD 2008.01.02 08:00:00 (2008.01.02 10:00:00)

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