MT5 · Runtime errors
MT5 4104 · No Expert Advisor in the chart that could handle the event | YI GOLD
ERR_CHART_NO_EXPERT
Official meaning
No Expert Advisor in the chart that could handle the event
Possible causes · YI GOLD suggestions
Indicator, chart or history data is unavailable or handles, parameters and periods are incompatible.
Troubleshooting · YI GOLD suggestions
Verify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros.