Remove backkups from web server interface

Hello,
I have urbackup server over FreeNas and I had a degraded issue disk then I had to remove backups and I did it from freenas because I couldn’t do it from urbackup web interface.

I would like know if is possible to remove backups manually from urbackup web interface on really time or exist a configuration for do it.

Regards

Excuse me, I just see the button:

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