Undefined index: is_override on submit credit card membership
Notice: Undefined index: is_override in CRM_Member_Form_Membership->setOverrideDateValue() (line 950 of /var/www/html/civicrm-master/sites/all/modules/civicrm/CRM/Member/Form/Membership.php). Notice: Undefined index: is_override in CRM_Member_Form_Membership->convertIsOverrideValue() (line 961 of /var/www/html/civicrm-master/sites/all/modules/civicrm/CRM/Member/Form/Membership.php).
Bug introduced because of changes from : https://github.com/civicrm/civicrm-core/pull/11722