MT4 · Compilation errors
MT4 216 · Copying of structures with objects is not allowed | YI GOLD
Official meaning
Copying of structures with objects is not allowed
Possible causes · YI GOLD suggestions
Object names, types, properties, coordinates or chart subwindows do not match.
Troubleshooting · YI GOLD suggestions
Verify chart ID, object existence and property types. Check creation/update results and avoid name collisions.