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The official Pokemon forums are now having their own forum gym challenge, which in practice is more like a thread for nominations where everyone takes a role of gym leader or something.
https://community.pokemon.com/en-us/discussion/10788/should-we-do-a-forum-gym-challenge-thing/p1
The...
https://serebii.net/scarletviolet/teraraidbattles/event-walkingwakeandironleavesreturn.shtml
The new Walking Wake/Iron Leaves rerun drops Salty Herba Mystica, with the 5% slot of nonexistent TM material being absorbed into Tera Shards as well.
I found a few different mentions of this box corruption all on 3DS VC as well with no particular cause. These mons may actually be hybrid mons with "Raticate" being a bad clone.
I also found an anecdote of someone getting stuck in a glitch area, so maybe VC Crystal is just more prone to these...
Personally I was wondering why there was a break last week from any kind of event, but I guess it was setting up for Golden Week with the gold shiny outbreaks running as well. I still feel like they could have just overlapped a 7 star rerun with these for the sake of it though.
I noticed this issue 6 years ago and was told it was too complicated to account for at the time in the help room. https://www.smogon.com/forums/threads/bug-reports-v3-read-original-post-before-posting.3634749/post-7797689
I didn't mention it in this thread yet, but on https://legends.pokemon.com/en-us/ there is a link to the Pokemon forums that did not exist on the SV site, which is a good sign for its continued existence in the near future at least until Legends ZA releases, but there are major issues lurking...