[horde] Required 'hostspec' not specified in SessionHandler configuration.

[Emilio Ruben Estevez]

I´m beggining to think im a little stupid but i cant help it, now i get this 
error and i can´t figure it out any help!?

Required 'hostspec' not specified in SessionHandler configuration.

[línea 250 de /var/www/myweb/horde/lib/SessionHandler/mysql.php]

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