Attenzione, si sono verificati errori:
  1. A database datafile does not exist. Possible reasons: 1. The file is absent. 2. The file has not been initialized. 3. A logical name used in the file descriptor is unknown to DMK. The logical name must be a system level logical name or must be made known to DMK via the Kernel input file described in the CCF. See your system administrator. 4. The file descriptor specified is not complete.