I received an error "CFIA- LPCO cannot be declared as a registration - Transaction number Invalid / Incorrect Information". What does it mean?

I received an error "CFIA- LPCO cannot be declared as a registration - Transaction number Invalid / Incorrect Information". What does it mean?

Missing DIF ( the certificate document was not uploaded) FOR MATERIALIZED LPCO let the user know to upload the certificate under DIF menu and reference the DIF id in the LPCO tab and reference it in the declaration. Once he did that an image urn will be appear means of the exitance of the document attached to the declaration then select an LPCO id for his DIF and bring it up in LPCO tab.