Permissions Errors?

Error:
You do not have sufficient permissions to access this page.

Unfotunately I don’t know how long I’ve been having this problem as I don’t go into the options setting too often.

I first noticed it while installing a plugin that requires me to make changes from the options setting.

I know what you’re thinking, the plugin could be the problem.. but it’s not. Even when I deactivate all my plugins, I get the same problem. I changed my theme to a default one and got the same problem. I even manually reinstalled the latest version of WordPress with the 2010 theme on and it didn’t help. So I’m at a complete loss.

I don’t know if this is related or not, but I’m also getting this error with either theme:

Notice: register_sidebar_widget is deprecated since version 2.8! Use wp_register_sidebar_widget() instead. in /home/content/c/r/o/crok06/html/wp-includes/functions.php on line 3237

Notice: register_widget_control is deprecated since version 2.8! Use wp_register_widget_control() instead. in /home/content/c/r/o/crok06/html/wp-includes/functions.php on line 3237

<?php
add_theme_support( 'automatic-feed-links' );

 if ( function_exists('register_sidebar') ) {
	register_sidebar(array(
		'before_widget' => '<li id="%1$s" class="widget %2$s">',
		'after_widget' => '</li>',
		'before_title' => '<h2 class="widgettitle">',
		'after_title' => '</h2>',
	));
}
?>

I know this message could easily be ignored if I turn off debugging, but I’d rather fix it and get things working properly.. maybe that’s for another topic though?

I’d really appreciate any help.

https://varriaga.com/