Solving 403 Errors with WP All Import Pro step 4 of import setup
In some server configurations, proceeding to step 4 of the import setup results in a 403 server error like page not found.
All you need to do is change the word template in the url to options and press enter.
change &action=template
TO
&action=options
That will load the next step in WP All Import Pro where to set the import options.
Works like a charm.