MT5 · Compilation errors
MT5 286 · Const specifier is not valid for constructor/destructor | YI GOLD
Official meaning
Const specifier is not valid for constructor/destructor
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.