One of my clients running on Windows is experiencing crash problems with 8.5 2019-09-15.
See my post on this here -> https://partners.hansaworld.com/forum/viewmessage/2/2620
Hello!
You can mark it as closed as option. If document is connected with other documents you can not delete it so you will not be able to delete PO, as you will not be able to remove Goods receipt...