MT5 · Runtime errors
MT5 4407 · Receiving array is too small to store all requested data | YI GOLD
ERR_HISTORY_SMALL_BUFFER
Official meaning
Receiving array is too small to store all requested data
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.