A few days ago, I reported a bug regarding my V-Day Smeargle's Chroma, providing video proof in the Discord support channel. At the time, the issue seemed fixed after simply restarting the client. Strangely, I was using the Smeargle with its Chroma just last night, but this morning I found it in my PC without the Chroma.
It is evident that something went wrong during last night's server reset, leading to this unfortunate situation. I truly hope the staff can restore the V-Day Smeargle to Barson. He is a great person who caught it legitimately, with many witnesses in the All Chat to back it up. I hope the staff takes action to fix this, though I have my doubts.