A DLP Administrator Has Enabled and Successfully Tested Custom Attribute

A DLP administrator has enabled and successfully tested custom attribute lookups for incident data based on the Active Directory LDAP plugin. The Chief Information Security Officer (CISO) has attempted to generate a User Risk Summary report, but the report is empty. The DLP administrator confirms the Cisco's role has the "User Reporting" privilege enabled, but User Risk reporting is still not working. What is the probable reason that the User Risk Summary report is blank?

A) Only DLP administrators are permitted to access and view data for high risk users.
B) The Enforce server has insufficient permissions for importing user attributes.
C) User attribute data must be configured separately from incident data attributes.
D) User attributes have been incorrectly mapped to Active Directory accounts.