Define the errors array earlier.

www/logicsw.php

@@ -55,6 +55,8 @@ if (isset($_SERVER['REMOTE_USER'])) {
     $ruser = $_SERVER['REMOTE_USER'];
 }
 
+$errors = array();
+
 if (isset($_REQUEST['submit_top']) || isset($_REQUEST['submit_bottom'])) {
     $pia = $_REQUEST['prev_ip_address'];
     $ppid = $_REQUEST['prev_pid'];
@@ -70,7 +72,6 @@ if (isset($_REQUEST['submit_top']) || isset($_REQUEST['submit_bottom'])) {
     $made_change = false;
     foreach ($pia as $sname => $value) {
         $curr_del = (isset($d[$sname])) ? $d[$sname] : 0;
-        $errors = array();
         if ($curr_del == 1) {
             if ($ia[$sname] !== null && $ia[$sname] != '') {
                 $sql = 'UPDATE ADDRESSES SET used=? WHERE address=?';