Each plugin has its own support forum.
What plugin are you having an issue with?
I have an issue with “WordPress Facebook Like Plugin”.
I lost all the likes on one specific page, an I am not sure why.
I searched in the WordPress.org plugins database, but I didn’t find any plugin with that exact name.
Anyway, you can search for the plugin yourself at: https://wordpress.org/plugins/
When you find it, open it and click on the SUPPORT tab. That should take you to the dedicated support forum for that particular plugin.
Of course, this only works for free plugins that are downloadable from WordPress.org. For commercial plugins and even free plugins that the developers choose not to distribute at WordPress.org, you’ll have to contact the individual developer directly for support.
Good luck!
Thank you, I can’t find it neither, it might not exist anymore.