Automatic Duplicate, can anyone help please

Every morning I log on to my system I find at least on duplicated invoice. When I delete it, it takes long to go off the system and if I try to update the invoice, it takes long to update. the changes will only reflects the following day or after I logged off many times and logon

Please do not create multiple threads for the same topic.
You have to wait here: Automatic duplicates

Closed.