Na VPS od forpsi prestali fungovat SESSIONS

www.cyklokyjovsky.cz/page1.php

<?php
session_start();

echo 'Strana #1';

$_SESSION['favcolor'] = 'zelena';
$_SESSION['animal'] = 'kocka';

echo '<br /><a href="page2.php">strana 2</a>';
?>

<?php
session_start();

echo 'Strana #2<br />';

echo $_SESSION['favcolor']; // zelena
echo $_SESSION['animal']; // kocka

echo '<br /><a href="page1.php">strana 1</a>';
?>

http://cyklokyjovsky.cz/php.php

Warning: session_start(): open(/var/lib/php/session/sess_iqq4ovugmtu3l75jr99filq2b5, O_RDWR) failed: Permission denied (13) in /var/www/vhosts/kolo-jede.cz/cyklokyjovsky/page1.php on line 6 Strana #1
strana 2 Warning: Unknown: open(/var/lib/php/session/sess_iqq4ovugmtu3l75jr99filq2b5, O_RDWR) failed: Permission denied (13) in Unknown on line 0 Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in Unknown on line 0