Remember, speed dial only supports one level of folder. If you're trying to copy a folder that contains subfolders, it will not work.
Go to your settings, select recovery you dont need to erase your bookmarks and passwords, select the first option. and boom! Solved!
I was very upset with this for a few weeks and until today i had time to find out how to fix it.
Hope it works for you, also im using latest version 70.
In Opera Touch they have something like this called My Flow. If you look you'll see there is already a thread requesting to bring My Flow to Opera for Android - look over the description, and if it does what you want then support that thread instead.