I've make a mistake: unfortunately I've write my Bitcoin(s) from The Ledger to a wrong unknown adress. Is there any way to recover this mistake ?
Basically no. Because bitcoin is a untrackable(?) and unrefundable currency.
It's your luck if you get it back by finding the owner of the addr.(literally impossible) and requesting him to give your funds back.
But it's his decision also it's not illegal because it's your fault and he didn't do anything. Lets say it's illegal still there's a small chance that he'll get caught and you'll get your funds back because its untrackable(?).
Sorry for you.