Error message

• Warning: Invalid argument supplied for foreach() in author_view_inst_article() (line 77 of /var/www/sites/idsi/ibn2014/trunk/sites/all/modules/author_view/author_view_inst_art.page.inc).
• Warning: in_array() expects parameter 2 to be array, null given in author_view_inst_article() (line 82 of /var/www/sites/idsi/ibn2014/trunk/sites/all/modules/author_view/author_view_inst_art.page.inc).