Hello,
thank you for your response.
I use Germanized and a Pre-Order plug-in from YITH that implements a pre-ordered status for some orders.
I think that I found the reason by now. The data was migrated from my old Wix Website. I am pretty sure that this issue only occurs with the migrated orders and not with new ones. So I will keep an eye on it. As long as it does not happen with the new orders that I receive directly through my new website, then it’s okay.
