Ajax error when i want see my hosts or services

[BastienMarais]

Hello !
I have a little problem when i want see my hosts or services (dashboard => elements => hosts/services). But users/commands/timeperiods... visualisation work well

Hosts :

Services :

I have also for you the log when i want see my hosts (lines 69:79 are important i think) => http://paste.alacon.org/44757