I have tried to format 3 new tapes that have not been entered into any device before and it gives me the indicated error. I am attaching the entire session error to know how I can solve it.

[Normal] From: MSM@srvcellmgpr02.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:46:14 a. m.
Media session 2024/11/08-22 started.

[Normal] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:46:14 a. m.
STARTING Media Agent "HP:MSL3040_Ultrium 6-SCSI_Drive1"

[Normal] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:46:17 a. m.
=> UMA@srvmagent01.fidubogota.net@Changer0:0:0:0:1
Loading medium from slot 12 to device Tape0:0:0:0:0C

[Critical] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:47:12 a. m.
[90:6111] Error retrieving encryption key.

[Normal] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:47:12 a. m.
=> UMA@srvmagent01.fidubogota.net@Changer0:0:0:0:1
Unloading medium to slot 12 from device Tape0:0:0:0:0C

[Major] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:47:59 a. m.
[90:7500] Cannot open medium Tape0:0:0:0:0C.

[Normal] From: MMA@srvmagent01.fidubogota.net "HP:MSL3040_Ultrium 6-SCSI_Drive1" Time: 8/11/2024 11:47:59 a. m.
ABORTED Media Agent "HP:MSL3040_Ultrium 6-SCSI_Drive1"

============================================================================
0 media out of 1 successfully scanned.
============================================================================

Gracias.