Sempre DATE! Undefined index: show_remaining_days in date_field_formatter_view() (linea 210

Notice:Undefined index: show_remaining_days in date_field_formatter_view() (linea 210 of …/date/date.field.inc

in date.field.inc che trovi in sistes/all/modules/date

cerca
$variables['show_remaining_days'] = $display['settings']['show_remaining_days'];

e sostitutisci con
$variables['show_remaining_days'] = isset($display['settings']['show_remaining_days']) ? $display['settings']['show_remaining_days'] : FALSE;