Swedish - After 2 days of messing i solved it thrue phpadmin.
I had this problem for all my migrations due to the swedish letters åäö missing in both the menu and product names. (i never use åäö in images)
Some strange way i noticed in the log file from Duplicator Installer process that it said that the database server used latin1 as charset but as I could see it was utf8. I changed it to utf8mb4_general_ci in "Generall settings" in phpMyAdmin for the _db just to be sure and now all works like a Charm. The migration is a 100% clone :D
Duplicator has saved me so many hours of work so heads up to you guys.