Oracle Field Service (OFS)
I don't understand why only some Activity Types are available for selection when I try to create an activity on the Organization Unit level of the resource tree. I don't have any visibility restriction to hide any type of activities.
Not all activity types can be created on the Organization Unit level. When creating activities for a Organization Unit, only activity types with the 'Allow mass activities' option checked will be available for selection. Activities of this type can be performed by multiple resources simultaneously (i.e. training, meeting). Therefore, the only ones available for creation on the Organization Unit level.