-- HikaShop version -- : 2.6.5
Hi!
We've just run into a problem in admin interface.
If we want to edit an order in the backend, and want to add a product with characteristic with clicking on the box icon above the product list (selection task), we are unable to choose from the characteristic. Is there a way to fix that? 
Not connecting to the main problem, just wanted to mention, but as it is not a bug, just a future feature request I thought writing it here: The ordering feature is really heavy to edit if we have a lot of products, a drag n' drop ordering would be great in the near future.
Thanks in advance,
PePe