Error message

• Notice: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2067 of /usr/local/4admin/apache/vhosts/diversearts.org/httpdocs/sites/all/modules/webform/webform.module).
• Notice: Trying to access array offset on value of type null in _webform_client_form_rule_check() (line 2067 of /usr/local/4admin/apache/vhosts/diversearts.org/httpdocs/sites/all/modules/webform/webform.module).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /usr/local/4admin/apache/vhosts/diversearts.org/httpdocs/includes/menu.inc).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /usr/local/4admin/apache/vhosts/diversearts.org/httpdocs/includes/common.inc).