Please access the screen of plugins.
Accecc URL: http://example.com/wp-admin/plugins.php
* If you do not have permission to access the plugins.
Accecc URL: http://example.com/wp-admin/admin.php?page=wp_admin_ui_customize_reset_userrole
Please visit here.
Please click to “Reset User Roles”.
Then this screen is confirmation of settings reset.
Please click to “Reset” If you want to settings reset.