LVM read failed after 0 of 4096

[basti]

Hello,

when I run 'lvs' I get the following error:

root@srv-0001:~# lvs
  /dev/vg01/srv-007-data_1427894434: read failed after 0 of 4096 at
214748299264: Eingabe-/Ausgabefehler
  /dev/vg01/srv-007-data_1427894434: read failed after 0 of 4096 at
214748356608: Eingabe-/Ausgabefehler
  /dev/vg01/srv-007-data_1427894434: read failed after 0 of 4096 at 0:
Eingabe-/Ausgabefehler
  /dev/vg01/srv-007-data_1427894434: read failed after 0 of 4096 at
4096: Eingabe-/Ausgabefehler
  LV                           VG   Attr     LSize   Pool Origin
    Data%  Move Log Copy% Convert

  srv-007-data            vg01 owi-aos- 200,00g

  srv-007-data_1427894434 vg01 Swi-I-s-   5,00g      srv-007-data 100.00


root@srv-0001:~#

srv-007-data_1427894434 was created by a backupscript
(http://repo.firewall-services.com/misc/virt/virt-backup.pl).
Can I delete the snapshot without data lose in srv-007-data ?

Regards,