There are more colors in this 'pltt' or 'clut' than can be shown on this screen. You can still edit the resource but you won’t see the correct colors.
You can't change the first two entries in a pltt. They must be black and white
'pltt' resources should always have black and white in the first two entries. Do you want to add/move black and white to the first two entries?
There’s no room in this 'pltt' to add black and white.
There are already 256 colors in this resource. You can’t add any more.
The '^0' resource in the scrap contains more colors than can be added. Do you want to add as many colors as will fit?