Diagnosis
Each property tree must have a root node. This means in Customizing,each property tree must be assigned a value assignment type to which thevalue 1 was assigned in the ID field.
However, property tree &V1& does not have a root node.

Procedure
INCLUDE EHS_NA_ADMIN OBJECT DOKU ID TX

Procedure for System Administration
INCLUDE EHS_NA_CHECK_CUSTOMIZING OBJECT DOKU ID TX