Error in archive.php

Hi all,

In archive cron process I have got this error

$ sudo /usr/bin/php5 /misc/cron/archive.php – url=http://piwik.xxxxxxxx.xxxx/

PHP Notice: unserialize(): Error at offset 0 of 176 bytes in /misc/cron/archive.php on line 447

nter>nginxme-outd>erializing the following response:

Any help will be useful.

Thanks in advance.

Looks like the “url” specified does not load the Piwik