Forum accounts and game accounts are not the same
There was a purge before green launched but it was something like under lvl 5 characters that were inactive. Your 56 shaman should still be there, you just have to find where its at
If this is the forum account you created the loginserver (game) account with you'd be able to see the usernames for them here:
https://www.project1999.com/account/?LS
If they are on EQEmu they have something similar
https://www.eqemulator.org/account/?LS