Fatal error whith double opt-in confirmation

Hello,

I’m trying the free version on a test site and on the confirmation’s subscribe’s mail (for double opt-in), when I click on the confirmation’s link, I have this fatal error:

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, cannot access private method WPDesk\ShopMagic\Marketing\HookProviders\ConfirmedSubscriptionSaver::try_signup_customer() in /wp-includes/class-wp-hook.php:308 Stack trace: #0 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #1 /wp-includes/plugin.php(517): WP_Hook->do_action() #2 /wp-admin/admin-post.php(85): do_action() #3 {main} thrown in /wp-includes/class-wp-hook.php on line 308

Could it be a problem of compatibility with an another plugin? Do you have encounter this error already?

The site is with WP 6.1.1 / PHP 8.0.28 / ShopMagic 3.0.11

Thanks for your help ??