I've tried to find information, if there is some possibility to recover access to disk. When I try luksOpen or luksDump, i get

cryptsetup luksDump /dev/disk/by-uuid/7fa45e9b-6b3d-4ac7-becc-7b8fe5d463a3
LUKS keyslot 4 is invalid.
LUKS keyslot 5 is invalid.

or

cryptsetup luksOpen /dev/disk/by-uuid/96914f6d-25c8-43d2-8133-2d9c971db9df vara
LUKS keyslot 4 is invalid.
LUKS keyslot 5 is invalid.