MT5 · Runtime errors
MT5 5056 · Timeseries cannot be used | YI GOLD
ERR_SERIES_ARRAY
Official meaning
Timeseries cannot be used
Possible causes · YI GOLD suggestions
Array size, index, type or series orientation violates function requirements.
Troubleshooting · YI GOLD suggestions
Check length, bounds, dynamic-array declarations and ArraySetAsSeries. Validate returned element counts before access.