Administration guide > Troubleshoot > Messages > CWPRJ: Messages for the Projector component
CWPRJ1016E
INVALID_IDCLASS_DEFINITION_MISSINGATTRIBUTE_CWPRJ1016E=CWPRJ1016E: Key class {0} must define attribute: {1}.
Explanation
Key classes must define all of the attributes from the referencing entity class.
User response
Verify that the class or entity metadata definition is valid and resubmit the operation.
Parent topic:
CWPRJ: WebSphere eXtreme Scale messages for the Projector component for entity and tuple projection