Question about re-initializing a tape

Hi all.. 

I’m still getting my feet wet with Veeam.. I had Veeam 11 installed and was playing around with it but wanted to start over due to reconfiguration of the server, adding more storage and whatnot.. 

Long story short, I uninstalled Veeam 11 and eventually installed v12 after eliminating the old config..

I’ve got the tape that I was using to test incremental backups and would like to use with the new setup but it refuses to write to it as it’s marked, I’m sure, by the old Veeam config.

What is the best way to mark the tape as “fresh” so it’ll be able to write to the tape again?  Right now Veeam is just sitting here telling me to insert a tape regardless of the fact that a tape is loaded.. 

TIA!