Error show in Dashboard

please hlep

Notice: has_cap was called with an argument that is deprecated since version 2.0.0! Usage of user levels is deprecated. Use capabilities instead. in /home/vol2_6/epizy.com/epiz_20900301/htdocs/wp-includes/functions.php on line 4031

That’s not an error, it’s a notice. Simply put: this notice only tells you that something in your WordPress setup is outdated or uses outdated code. It’s nothing to worry about (yet) and you’d need to dig in the WordPress code to figure out why this happens.