Notice: Undefined index: groupby_times in template_preprocess_calendar_day() (line 272 of /var/www/sites/bao_volum_d766a-clus2-prod/sites/all/modules/calendar/theme/theme.inc).
Notice: Undefined index: groupby_times in template_preprocess_calendar_day() (line 276 of /var/www/sites/bao_volum_d766a-clus2-prod/sites/all/modules/calendar/theme/theme.inc).