MT5 · Compilation errors
MT5 378 · Invalid returned type. For example, this error will be produced for functions imported from DLL that return structure or pointer. | YI GOLD
Official meaning
Invalid returned type. For example, this error will be produced for functions imported from DLL that return structure or pointer.
Possible causes · YI GOLD suggestions
Determine the cause from the official meaning, the triggering function and terminal logs.
Troubleshooting · YI GOLD suggestions
Locate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile.