The Package Group Manager is a Developer tool for setting or change your package types.

The following picture shows a few of informations(red box), where you can search or select the name of your Component e.g Package(red circle).

Important Options are shown in the following picture.

1. Add as Type added the component you selected as the type you selected in the menu next to this column.

2. Change Type allows you to change the Type of your Component. You can find the selection "Update type" in the right corner of your window.
Whether you want to change a C_CHP into an R_CHP or the other way around, you only have to click on the Update button.