Double opt in with Woocommerce Germanized not working

I use woocomerce germanized.

Without your plugin, the double opt in function works as it should be. Email to click a link is sent. When clicking the link, the DOI is successfully triggert to “yes”. An email is sent informing me that my account has been created.

With your plugin activated everything is the same but triggering the DOI status to yes. I receive an email with the link, clicking that link will open the webite informing me that the account has been created. And I receive an email with the information, that my account has been created.
But the DOI staus is not triggered to “yes” and as soon as I go on another page I get the information notic to recent the activation link and active my account.

Same thing happens with 1) your standard templates (no changes after install), 2) changing the account activation template and including the {gzd_customer_activation_url} shortcode and 3) disabling the fallback template and not asigning any template to the account activation email.

I am out of ideas and don’t know where to look any further to make it work.