This is a fatal error since sensitive data could be written out to disk unencrypted. This would allow someone with access to the disk to recover parts of the encryption key or passphrase.
Tagi d tuccḍa meqqren acku d isefka imḥulfa zeren ad ttwarun ɣef uḍebsi ur yettwawgelhen ara. Aya yezmer ad yeǧǧ amdan yesɛan azref n unekcum ɣer uḍebsi ad d-yerr iḥricen n uwgelhen neɣ tafyirt tuffirt.