With the Archive extension instead of showing the welcome message new subscribers see the archiv. It has no effect now if the archive extension is activ or not. The alternative url for the welcome message works.
What can I try?
Yes. I added a new page and there I use the [newsletter_archive] short code.
As I mentioned the profil page (when someone clicks unsubscribe) and the welcome page are now linked to this page.
Hi you need two pages one for the newsletter subscription process that you configure on subscription steps panel general tab and one for the newsletter archive. Have you both the pages?