WARN failed to deserialize snapshot

[ilium007]

Not sure how to troubleshoot this:

➜ sudo vykar
==> Starting backup
 WARN failed to deserialize snapshot 5b81a0ba61804d82c19fa545611fb2378460d3da97815464819cebbf5bda3aa8: array had incorrect length, expected 12, skipping
 WARN failed to deserialize snapshot 5b81a0ba61804d82c19fa545611fb2378460d3da97815464819cebbf5bda3aa8: array had incorrect length, expected 12, skipping
Files: 51369, Original: 1.30 GiB, Compressed: 407.39 MiB, Deduplicated: 24.17 KiB, Current: etc/gtk-3.0/im-multipress.conf
==> Starting prune
 WARN failed to deserialize snapshot 5b81a0ba61804d82c19fa545611fb2378460d3da97815464819cebbf5bda3aa8: array had incorrect length, expected 12, skipping
OK==> Starting compact
 WARN failed to deserialize snapshot 5b81a0ba61804d82c19fa545611fb2378460d3da97815464819cebbf5bda3aa8: array had incorrect length, expected 12, skipping
OK==> Starting check
 WARN failed to deserialize snapshot 5b81a0ba61804d82c19fa545611fb2378460d3da97815464819cebbf5bda3aa8: array had incorrect length, expected 12, skipping
Server-side verification of 63 packs...
  server-verify: 63/63 packs
[1/9] Checking snapshot 'c10daa0d'...
[2/9] Checking snapshot 'ab04a9ab'...
[3/9] Checking snapshot '3379d4fe'...
[4/9] Checking snapshot 'ef9a4a2c'...
[5/9] Checking snapshot '8ceed6e9'...
[6/9] Checking snapshot '68a61718'...
[7/9] Checking snapshot 'ce6dd302'...
[8/9] Checking snapshot '0168113d'...
[9/9] Checking snapshot 'a92fbbc0'...
OKSnapshot created: a92fbbc0
  Source: /root, /home, /etc (label: default)
  Files: 51369, Original: 1.30 GiB, Compressed: 407.39 MiB, Deduplicated: 24.17 KiB
Pruned 0 snapshots (kept 9), freed 0 chunks (0 B)
Compaction complete: 0 packs repacked, 0 empty packs deleted, 0 B freed
Check complete: 9 snapshots, 694878 items, 63 packs existence-checked (71713 chunks), 0 chunks data-verified, 0 errors

=== Summary ===
  backup       ok
  prune        ok
  compact      ok
  check        ok
  Duration:    2m 40s