There appears to be no tape in the drive %1. Please check "Edit- > Preferences" to make sure the correct device is selected as the tape drive (e. g. / dev/ st0). If you hear the tape drive moving, wait until it stops and then try mounting it again.
Parece non haber cinta no dispositivo% 1. Verifique « Editar - > Preferencias » para certificar que escolleu o dispositivo correcto (exemplo: / dev/ st0), Se escoita o dispositivo moverse, agarde até que pare e entón tente de novo montalo.