Error: There is no mapping for this schema type, which was defined for the many-to-many mapping (4379537)

Creating an mapping rule for LDAP group memberships for the many to many for a RACF target system results in the following warning for the mapping rule.

The property (vrtMembers@LDAPGroup) references objects of schema type (LDAP user accounts). There is no mapping for this schema type, which was defined for the many-to-many mapping.

The property (vrtMembers@LDAPGroup) references objects of schema type (LDAP groups). There is no mapping for this schema type, which was defined for the many-to-many mapping.

The property (racfGroupUserids@racfGroup) references objects of schema type (racfGroup). There is no mapping for this schema type, which was defined for the many-to-many mapping.

The property (racfGroupUserids@racfGroup) references objects of schema type (racfUser). There is no mapping for this schema type, which was defined for the many-to-many mapping. 

Incorrect configuration

Follow the steps below to correct the mappings within the synchronization editor:

1. Click on each mapping
2. Use the "Edit" icon in that panel (the paper-with-pen icon)
3. Unlock the mapping by clicking the "Edit" button
4. Enable the option "Maps objects referenced by multiple references"
5. Ensure to do this for both the User and Group mappings
6. Save the synchronization project