MT5 · Compilation errors
MT5 280 · An object is necessary for accessing members (a dot for a non class/structure is specified) | YI GOLD
Official meaning
An object is necessary for accessing members (a dot for a non class/structure is specified)
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.