Error message

• Warning: Creating default object from empty value in include() (line 239 of sites/all/themes/units_dipartimento_rwd/templates/page.tpl.php).
• Warning: Creating default object from empty value in include() (line 239 of sites/all/themes/units_dipartimento_rwd/templates/page.tpl.php).
• Warning: array_multisort(): Array sizes are inconsistent in isi_elenco_persprgr() (line 152 of sites/all/modules/custom/isi_all_persprgr/isi_all_persprgr.module).