Field help (KACEGRP) 

This optional field enables to enter the group code to which the entry type is attached.
This user-defined alphanumeric code enables grouping in the left list all the entry types which are attached to it.
For example, several entry types can be defined to post the asset issues according to the issue reason. These entry types can then be attached to a same group untitled Issue.
Entry types which are not attached to any group are displayed in the left list under the Not grouped title.