Hi,
Here is the answer: http://www.tickstory.com/forum/viewtopic.php?f=4&t=450
I also have just stumbled upon this.
Julius
The solution for me was to delete the data files for the affected index/currency pair/whatever.....
So (on windows 10 anyway...) go to
C:\Users\<USER>\AppData\Roaming\MetaQuotes\Terminal\<LONG RANDOM STRING OF CHARACTERS UNIQUE TO YOUR TERMINAL>\tester\history\
and delete the relevant file like 'GBPUSD(£)60_0.fxt' for example. You'll then need to download the data again, should do this automatically.
DISCLAIMER: WORKED FOR ME. I AM NOT RESPONSIBLE FOR YOU BUGGERING UP YOUR SYSTEM IF YOU CHOOSE TO GIVE THIS AGO! ;)
Hope this helps!
So (on windows 10 anyway...) go to
C:\Users\<USER>\AppData\Roaming\MetaQuotes\Terminal\<LONG RANDOM STRING OF CHARACTERS UNIQUE TO YOUR TERMINAL>\tester\history\
and delete the relevant file like 'GBPUSD(£)60_0.fxt' for example. You'll then need to download the data again, should do this automatically.
DISCLAIMER: WORKED FOR ME. I AM NOT RESPONSIBLE FOR YOU BUGGERING UP YOUR SYSTEM IF YOU CHOOSE TO GIVE THIS AGO! ;)
Hope this helps!

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Hi all,
I was about to launch a question concerning an issue I am getting at the time of running the strategy tester, the message is the following:
Tester cannot calculate prices.
The actions I am taking is to download tick data from DAX index, from Dukascopy, the EA is running with another assets as EURUSD or GBPUSD.
Do you know what could cause this?
Regards,
Z