MT4 · Runtime errors
MT4 4212 · Chart subwindow not found | YI GOLD
ERR_CHARTWINDOW_NOT_FOUND
Official meaning
Chart subwindow not found
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.