Messaggio di errore

Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 38 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).
Warning: Illegal string offset 'data' in template_preprocess_calendar_month() (linea 43 di /web/htdocs/www.icbagnoloinpiano.edu.it/home/sites/all/modules/calendar/theme/theme.inc).