MT4 · Runtime errors
MT4 4056 · Arrays are incompatible | YI GOLD
ERR_INCOMPATIBLE_ARRAYS
Official meaning
Arrays are incompatible
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.