How to configure Firestreamer Virtual tape library in BE2010 R3

I am trying to configure Firestramer VTL on BE 2010 R3,

First BE was not able to show the tape media, but i solved that issue,

But when trying to fire test backup it gives errror

Event ID 58064: "Backup Exec Alert: Library Insert (Server: "%server%") (Job: "%job name%") Please insert overwritable media into the robotic library using the import command. Overwritable media includes scratch, blank, and recyclable media" is reported in the Event Viewer Application Log

Please share your view also steps to perform.