I have created a customer attribute source and uploaded a datafile, and the file looks like it has been successfully uploaded, but the sync status says unable to retrieve sync status. It has been more than 48 hours since I did this. Does this mean the attributes haven't been mapped into Target?

Is there an email notification that can be scheduled to alert me of a successful file upload and ID sync status in Target? For example, if I want to regularly upload a data file from my CRM system into Experience Cloud to use as an audience within Target, how will I know this has been successful in ...