أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
In plain words...
Inability to store or retrieve data from particular data storing location. It could be: your computer hard drive, storage on your network, (internet) cloud storage.
Reasons of failure vary from: hardware defects or malfunction, software issues (driver, operating system failure, network inaccessibility and etc.)
