MT5 · Compilation errors
MT5 291 · Call parameter omitted - <func (x,)> | YI GOLD
Official meaning
Call parameter omitted - <func (x,)>
Possible causes · YI GOLD suggestions
Parameter types, counts or ranges do not match the function signature.
Troubleshooting · YI GOLD suggestions
Compare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context.