Issue:Archive backup failed with below error.

ORA-19506: failed to create sequential file, name="bk_2527_1_863554048", parms=""

ORA-27028: skgfqcre: sbtbackup returned error

ORA-19511: Error received from media manager layer, error text:

ORA-19506: failed to create sequential file, name="bk_2528_1_863554069", parms=""

ORA-27028: skgfqcre: sbtbackup returned error

ORA-19511: Error received from media manager layer, error text:

ORA-19506: failed to create sequential file, name="bk_2529_1_863554087", parms=""

ORA-27028: skgfqcre: sbtbackup returned error

ORA-19511: Error received from media manager layer, error text:

ORA-19506: failed to create sequential file, name="bk_2530_1_863554109", parms=""

ORA-27028: skgfqcre: sbtbackup returned error

ORA-19511: Error received from media manager layer, error text:

Resolution:

- Downgraded the NBU client software.

- reconfigured ORA policy from MKE To WAU(wau-dev-lrh-orarman-any-t3).