Hello, here is the error after the 60 minute wait...
03/09/20 18:45:54 ANR8308I 186: NAS volume 042073L5 is required for use in
library LTO5LIB; CHECKIN LIBVOLUME required within 1 minutes.
03/09/20 18:46:54 ANR8351E 186: Mount request for volume 042073L5 has timed out.
03/09/20 18:46:54 ANR8313E Volume 042073L5 is not present in library
LTO5LIB. (SESSION: 81085, PROCESS: 3135)
03/09/20 18:46:54 ANR1402W Mount request denied for volume 042073L5 - volume
unavailable. (SESSION: 81085, PROCESS: 3135)
03/09/20 18:46:54 ANR1410W Access mode for volume 042073L5 now set to
"unavailable". (SESSION: 81085, PROCESS: 3135)