PHP message: WordPress database error Incorrect DateTime value

I’m pretty sure this is a database issue. And I thought I fixed it by installing a plugin called “Incorrect Datetime Bug Fix” — but I keep receiving this error in Nginx’s logs: “PHP message: WordPress database error Incorrect datetime value: ‘0000-00-00 00:00:00’ for column ‘post_date_gmt’ at………” This I’m guessing is also not allowing me (AT TIMES, it’s intermittent) to not add new posts/pages/etc.