Before encrypted volumes can be configured, the current partitioning scheme has to be written to disk.  These changes cannot be undone.
Seld ad tezmireḍ ad tsewleḍ iblaɣen yettwawgelhen, azenziɣ n beṭṭu amiran ilaq ad yettwaru ɣef uḍebsi.  Isnifal-a ur zmiren ara ad ttwasfesxen.