Issue with Wall Thickness

[Anonymous]

Respected Sir/Madam

I am new to ArchiCAD 21, I am drawing a wall but i am not able to change its width, width is locked, Please see attachment for further clarification, I'll be grateful for guidance

Thanks with Best Regards[/img]

[vistasp]

You've chosen to use a composite wall which is why the thickness is not editable. Choose a simple wall and you'll be able to change the thickness.