backtest issue

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I used quant data manager to export eurchf and did timezone to +7 est. then imported into mt5. 1min data and tick and it does not work. im running in portable mode on external hard drive. the other pairs gbpusd,usdjpy etc custom all work fine on backtest


2026.02.19 23:28:41.108    Tester    EURCHF-02: history data begins from 2005.01.03 00:00
2026.02.19 23:28:41.108    Tester    EURCHF-02: ticks data begins from 2005.01.03 00:00
2026.02.19 23:28:41.111    Tester    no history data, stop testing
2026.02.19 23:29:42.439    Tester    "Market\Night Swimmer.ex5" X64
2026.02.19 23:29:42.439    Tester    custom group settings applied from file 'MQL5\Profiles\Tester\Groups\Coinexx-Demo_demo.txt'
2026.02.19 23:29:42.920    Tester    EURCHF-02: history data begins from 2005.01.03 00:00
2026.02.19 23:29:42.923    Tester    no history data, stop testing

 
i was able to fix it after clearing the eurchf folders from tick and history folders located in Bases folder on my mt5 dir. then re importing the data 
 
Elliot Debonee #:
i was able to fix it after clearing the eurchf folders from tick and history folders located in Bases folder on my mt5 dir. then re importing the data 
sounds like issue with the 3rd party program, not mt4/5 problem. Tickstory did the same thing to me in past; sometimes it didnt edit the files correctly.
 
I did get heapmin issue on 20 year import. it did work when i loaded smaller amount 2005-2010 in the csv. i did want to test the entire 20 years.
 
i was able to get it to work after re importing even with the heapmin error. i did 1 min ohlc to test. i had to create custom symbol with gbpusd with the data from the gbpusd symbol on my broker
 
Try just to reimport the data.
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