Administration guide > Troubleshoot > Messages > CWPRJ: Messages for the Projector component
CWPRJ1115E
INVALID_MANY_ASSOCIATION_TYPE_CWPRJ1115E=CWPRJ1115E: Invalid OneToMany or ManyToMany association type of: {0}.
Explanation
All multi-valued association types must be of type: java.util.Collection, java.util.List or java.util.Set.
User response
Change the attribute type to one of the supported data types.
Parent topic:
CWPRJ: WebSphere eXtreme Scale messages for the Projector component for entity and tuple projection