// userid and/or refid is invalid
reportBug(__FUNCTION__, __LINE__, 'userid=' . convertNullToZero($userid) . ', refid=' . convertNullToZero($refid) . ' - Both must be > 0');
} elseif ($userid == $refid) {
// userid and/or refid is invalid
reportBug(__FUNCTION__, __LINE__, 'userid=' . convertNullToZero($userid) . ', refid=' . convertNullToZero($refid) . ' - Both must be > 0');
} elseif ($userid == $refid) {