Continuing the discussion from Importing from CSV to Update Foreign Key:
Sorry to bring up an old topic.
I am running 3.2.4 and am facing a similar issue.
I can’t seem to update an existing record with a foreign key.(FK)
Overwrite Existing is ticked
All the emails already exist in the database and are member of the lists
Subscriber data was updated for 31 subscribers
0 subscribers were matched by foreign key, 31 by email
but none of them have my FKs.
and in Subscriber History / Subscription I have
No user details changed
Any suggestions appreciated.