The INSERT statement conflicted with the FOREIGN KEY constraint "FK_BATCHCOAUPDATEBATCHSYSTEMMESSAGES_BATCHCOAUPDATEID". The conflict occurred in database "Database name", table "dbo.BATCHCOAUPDATE", column 'ID'. The statement has been terminated
This message would indicate that an address was submitted through the process no longer exists in the database (address was deleted). If this error is encountered the process should be restarted from scratch (Create a new file to send to Blackbaud).