<b>before delete data :</b>
I trying -
BrokerZone = UTC+2;
BrokerZone = UTC-2;
//BrokerZone = UTC+2;

no change

testData compiling...............
Login 0 MT4/5..
!ZorroMT4.dll V4.23.
!Gleneagle Securities Pty Limited trading as Global Prime FX connected at UTC 06-02 10:14
Open: 0.00000 High: 0.00000 Low: 0.00000
Logout.. ok
Test: testData EUR/USD 2020
Assets Assets4
Open: 1.09399 High: 1.09411 Low: 1.09354

[277: Sun 20-04-12 00:00] (1.09290)
Open: 1.09367 High: 1.09402 Low: 1.09290

<b>first log after delete data:</b>
Open: 1.09399 High: 1.09411 Low: 1.09354

[277: Sun 20-04-12 00:00] 1.09367/1.09402\1.09290/1.09290 -0.00006
Open: 1.09367 High: 1.09402 Low: 1.09290

testData compiling...............
Login 0 MT4/5..
!ZorroMT4.dll V4.23.
!Gleneagle Securities Pty Limited trading as Global Prime FX connected at UTC 06-02 10:20
!EUR/USD 01-01 02:00:00 to 06-02 12:20:02
!=> 06-02 03:28:00 to 08:27:00, 300 ticks
Load EUR/USD 2020..