I consult with my colleagues and non of us ever saw similar issue.
"Blinking" happend only once, or every time you are using SERP? I would like to ask you, if you can send us log file.
More explanation @Paul:
When the issue occurs, should see if restarting presence or lookup helps. If so - that is the issue and should be sorted. First need to ensure that that is the issue...
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...
