SQL Server/T-SQL Tutorial/System Functions/sp dropdevice

EXEC sp_dropdevice @logicalname = "NWCopyBK_1"

57> EXEC sp_dropdevice @logicalname = "NWCopyBK_1"
58> GO
Msg 15012, Level 16, State 1, Server J\SQLEXPRESS, Procedure sp_dropdevice, Line 37
The device "NWCopyBK_1" does not exist. Use sys.backup_devices to show available devices.
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