I'm using solspace importer (latest version) to import members in EE v2.10.1

In the importer settings form, I have a row Additional Member Fields There is a select where I can select custom fields and a button [Add field].

When I click the Add Field button I get this error :

An Error Was Encountered A Unique Field Element with valid EE Field Are Required.

I don't have a clue about what it means...

EDIT : In fact clicking that button submits the form while there are still blank fields. Is that a bug ?

1 Answer 1


Thanks to a hint from Nicolas @ solspace's support, we found that a little htacces was blocking access to a javascript file.

Below code breaks solspace's importer (and everything member related)

# Prevent direct access to EE Member area
# ------------------------------
RewriteCond %{REQUEST_URI} (member)
RewriteRule ^(.*)$ http://%{SERVER_NAME}/404 [R=301,L]

As these two lines are quite widely used It might help someone else running into the same issue.

  • Incidentally the file that needed access was called members.js, which would fulfill the above rewrite rule. An unfortunate coincidence :)
    – Solspace
    Sep 14, 2015 at 13:16

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