What type of bug are you reporting? Ladder
What is the bug?
On turn 2, a Clefable presses knock off on AV hatterene and transfers its sticky barb to hatterene
Replay below https://replay.pokemonshowdown.com/gen9ou-2125617044-c9oyt9mfmt4ukpl2jokycov4i5hgg8lpw
Are you able to replicate it? If...