Error when i want to add day in my work allocation - by: Jonathan02500

Hello, when i want to add time to my real work a error message appears.
ERROR : Une erreur est survenue le 2016-08-29 à 08:05:07
Contactez votre administrateur

Here you can fin the log file : 2016-08-29 08:02:14.790 ***** ERROR ***** ERROR *****
2016-08-29 08:02:14.790 ***** ERROR ***** on file '/var/www/projeqtor/tool/saveImputation.php' at line (85)
2016-08-29 08:02:14.790 ***** ERROR ***** cause = Error - Maybe max_input_vars is too small in php.ini

Have a good day.