Problem : Left work not retrieved from screen

Hello,

I've an error this evening when I save my time sheet
Message is : "ERROR : Une erreur est survenue le 2014-02-28 à 19:15:20"

in log file I've this message :

2014-02-28 19:15:20 ===== TRACE ===== WARNING - Left work not retrieved from screen
2014-02-28 19:15:20 ===== TRACE ===== - Maybe max_input_vars is too small in php.ini
2014-02-28 19:15:20 ===== TRACE ===== - Assignment #83 on Activity #57 for resource #3 - Anthony Lavaud
2014-02-28 19:15:20 ***** ERROR ***** ERROR *****
2014-02-28 19:15:20 ***** ERROR ***** on file 'C:\wamp\www\projectorria\tool\saveImputation.php' at line (59)
2014-02-28 19:15:20 ***** ERROR ***** cause = Error - Maybe max_input_vars is too small in php.ini


I dont find max_input_vars in php.ini ...
Do you have a solution, please ?

thanks
Anthony

Ok, sorry...