MT4 · Compilation errors
MT4 324 · An array cannot be declared in operator | YI GOLD
Official meaning
An array cannot be declared in operator
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.