This error indicates a donation campaign needs to be cross referenced. To resolve this:
  1. Cross reference the donation campaign
    1. Navigate to Data Management > Luminate Configuration
    2. Click the Cross References button
    3. Click Configure next to The Raiser's Edge Donation Campaign
    4. On the Items Not Referenced tab, find the Donation Campaign Name (the ID number will be in parenthesis)
    5. Under the Actions column, click Create
    6. Select the appropriate value from the External Mappings section
    7. Click Finish
  2. Rebuild the errors