1. A database modernization auditing method, comprising: loading a legacy data object; transforming the legacy data object into a modern data object according to a rule set, wherein transforming the legacy data object into the modern data object further includes abstracting at least a portion of the legacy data object into semantic information and transforming the semantic information into the modern data object; and generating an audit log entry corresponding to an error that occurs while transforming the semantic information into the modern data object, wherein the audit log entry contains a unique identifier that relates the audit log entry with the legacy data object.