How to fork a plugin that's now in core

[pfaffman (Jay Pfaffman)]

@kuaza

Gem::LoadError: can't activate tokenizers-0.5.4-x86_64-linux, already activated tokenizers-0.5.5-x86_64-linux (Gem::LoadError)
/var/www/discourse/lib/plugin_gem.rb:25:in `load'

So it looks like you are including a Gem and need to remove that gem line from the plugin.

I think you just need to remove that gem line from the plugin. Does the original plugin now include that line?