Unable to take RMAN backup from Solaris 11

 During backup start, it is provided below error: Need some advise:

[root@dcnetworker ~]# cat /nsr/logs/policy/FCUBS143_Oracle/obdxdbprod01/backup_1943644_logs/1943648.log
Wed Apr 13 18:51:22 2022
Wed Apr 13 18:51:22 2022
cmd_args = send 'NSR_RMAN_JOBID=1943649, NSR_SERVER=dcnetworker'
rman_script = /nsr/apps/tmp/tmp_rman.20200
saveset_name = RMAN:\obdxdb_FULL
Launching backup process

Recovery Manager: Release 19.0.0.0.0 - Production on Wed Apr 13 18:51:22 2022
Version 19.9.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.

RMAN> connect ********
2>
3> RUN {
4> ALLOCATE CHANNEL CH1 TYPE 'SBT_TAPE';
5> BACKUP
6> FULL
7> FORMAT '%d_%U'
8> DATABASE
9> INCLUDE CURRENT CONTROLFILE
10> PLUS ARCHIVELOG;
11> RELEASE CHANNEL CH1;
12> }
13>
connected to target database: OBDXDB (DBID=953158579)

using target database control file instead of recovery catalog
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of allocate command on CH1 channel at 04/13/2022 18:51:25
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2

Recovery Manager complete.
The backup process failed:
RMAN exited with return code '1'.
Exiting with error:
RMAN exited with return code '1'.
obdxdbprod01.ebl.bd: RMAN exited with return code '1'.

24586:nsrdasv: RMAN exited with return code '1'.