I received rejection '461: CCN (CCN)/Supplementary Reference-REQUEST MUST EXIST ON FILE'. What does it mean?

I received rejection '461: CCN (CCN)/Supplementary Reference-REQUEST MUST EXIST ON FILE'. What does it mean?

Reason: CCN is not yet existing or accepted in the system but was submitted as Change or it was cancelled but submitted as Change.

Resolution: Resend the manifest as Original.