The cshs.schema.yml is missing the definition of the CSHS Group By Root (cshs_group_by_root) field format.
Add the following configuration in the yaml file.
field.formatter.settings.cshs_group_by_root:
type: mapping
label: 'CSHS Group By Root settings'
mapping:
linked:
type: boolean
label: 'Linked'
reverse:
type: boolean
label: 'Reverse'
sort:
type: string
label: 'Sort'
depth:
type: integer
label: 'Depth'
last_child:
type: boolean
label: 'Last child'
Active
4.0
Code
This is a duplicate of 🐛 Root titles won't sort properly Grouped by Root Active
Giving you credit also just because.
Automatically closed - issue fixed for 2 weeks with no activity.