Market validation fails with "1 error" but no details — EA trades normally in local testing

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=Hello,

I'm trying to publish my Expert Advisor (Gold/XAUUSD scalper) to the Market, but automatic validation consistently fails with "Validation completed with errors" (1 error), without any specific error detail beyond the summary below:

test on EURUSD,H1 (hedging)
there are no trading operations
test on XAUUSD,D1 (hedging)
there are no trading operations
test on GBPUSD,M30 (hedging)
there are no trading operations
test on EURUSD,M1 (hedging)
there are no trading operations

What I've already verified/implemented, following the official article "The checks a trading robot must pass before publication in the Market":

- CheckVolumeValue() — validates lot against SYMBOL_VOLUME_MIN/MAX/STEP before sending orders
- CheckMoneyForTrade() — validates free margin via OrderCalcMargin() before sending orders
- CheckStopsLevel() — validates SL/TP distance against SYMBOL_TRADE_STOPS_LEVEL before sending orders
- SYMBOL_VOLUME_LIMIT check for cumulative volume
- Compiled for X64 Regular (not AVX2)
- #property version is set
- EA restricts itself to XAUUSD only via _Symbol check, and simply skips trading (no error) on other symbols

Locally, in my own Strategy Tester on XAUUSD M5, the EA runs normally, opens positions, manages TP1/TP2/TP3 and breakeven correctly, over 100+ trades across a full year backtest, with no errors in the log.

Compilation itself is clean: 0 errors, 1 harmless warning (long to double conversion, non-blocking).

My questions:
1. Is there a way to see the actual detailed error behind "1 error", beyond this summary?
2. Given "there are no trading operations" appears on all 4 test symbols/timeframes (including XAUUSD), could this be related to how historical M5/M15 data is generated/simulated during automatic validation, rather than an actual error in my EA's logic?

Any guidance would be greatly appreciated — happy to share more details about the EA's logic (without exposing proprietary entry conditions) if that helps diagnose this.

Thank you!
 
Kevin Bulteau: " (1 error), without any specific error detail beyond the summary 
The error stated is "no trading operations"
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