Error message

• Warning: Invalid argument supplied for foreach() in rdf_field_attach_view_alter() (line 743 of /data/sites/web/lissehabrakenbe/subsites/apps/default/modules/rdf/rdf.module).
• Warning: in_array() expects parameter 2 to be array, string given in sharethis_node_view() (line 86 of /data/sites/web/lissehabrakenbe/subsites/apps/default/sites/all/modules/sharethis/sharethis.module).
• Warning: in_array() expects parameter 2 to be array, string given in sharethis_node_view() (line 109 of /data/sites/web/lissehabrakenbe/subsites/apps/default/sites/all/modules/sharethis/sharethis.module).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /data/sites/web/lissehabrakenbe/subsites/apps/default/includes/menu.inc).
• Warning: Invalid argument supplied for foreach() in form_builder() (line 1881 of /data/sites/web/lissehabrakenbe/subsites/apps/default/includes/form.inc).