Today I deleted 2 plugins of my Joomla 3.x and after that when I tried again to login in my administrator i could not.

The error is: JAuthentication: :__construct

The solution for the previous versions was to go in the DB and in the table jos_plugins set "name - Authentication - Joomla - published" to 1 from 0.

The problem is, in Joomla 3.x we don't have this table. What to do now to solve this problem?