Can anyone tell me what this means?

I'm getting this error:

bash-2.04$ /usr/sbin/amcheck Daily
Amanda Tape Server Host Check
-----------------------------
Holding disk /amanda: 1714756 KB disk space available, using 666180 KB
ERROR: /dev/nst1: no tape online
       (expecting tape Daily05 or a new tape)
NOTE: skipping tape-writable test
Server check took 0.002 seconds

mt seems to work:

bash-2.04$ mt status
SCSI 2 tape drive:
File number=0, block number=0, partition=0.
Tape block size 0 bytes. Density code 0x1a (unknown to this mt).
Soft error count since last status=0
General status bits on (41010000):
 BOT ONLINE IM_REP_EN


Could this be a messed up compression setting? I could really use some advice!