if (!self::$membershipType || $force) {
CRM_Core_PseudoConstant::populate(self::$membershipType,
'CRM_Member_DAO_MembershipType',
if (!self::$membershipType || $force) {
CRM_Core_PseudoConstant::populate(self::$membershipType,
'CRM_Member_DAO_MembershipType',