diff --git a/core/class/AbeilleParser.class.php b/core/class/AbeilleParser.class.php
index 533cf7716..53cd88100 100755
--- a/core/class/AbeilleParser.class.php
+++ b/core/class/AbeilleParser.class.php
@@ -483,38 +483,6 @@ function deviceAnnounce($net, $addr, $ieee, $macCapa, $rejoin) {
             }
         }
 
-        // /* Update device infos.
-        //    As opposed to 'deviceUpdate()', info is NOT coming from the device himself. */
-        // function updateDevice($net, $addr, $updates) {
-        //     parserLog('debug', '  updateDevice('.$net.', '.$addr.', '.json_encode($updates).')');
-        //     if (isset($updates['ieee']))
-        //         $ieee = $updates['ieee'];
-        //     else
-        //         $ieee = null;
-        //     $eq = &getDevice($net, $addr, $ieee, $newDev); // By ref
-
-        //     $confirmed = array();
-        //     foreach ($updates as $updKey => $updVal) {
-        //         if ($updKey == 'ieee')
-        //             continue; // This is already covered
-        //         if (!isset($eq[$updKey]) || ($eq[$updKey] != $updVal)) {
-        //             $eq[$updKey] = $updVal;
-        //             $confirmed[$updKey] = $updVal;
-        //         }
-        //     }
-
-        //     // Any changes to report to Abeille ?
-        //     if (count($confirmed) > 0) {
-        //         $msg = array(
-        //             'type' => 'deviceUpdates',
-        //             'net' => $net,
-        //             'addr' => $addr,
-        //             'updates' => $confirmed,
-        //         );
-        //         msgToAbeille2($msg);
-        //     }
-        // }
-
         /* There are device infos updates (ex: endpoints, manufId, modelId, location, ...). */
         function deviceUpdates($net, $addr, $ep, $updates = []) {
             parserLog('debug', "  deviceUpdates(${net}, ${addr}, EP=${ep}, Upd=".json_encode($updates, JSON_UNESCAPED_SLASHES).")");
diff --git a/core/class/AbeilleTools.class.php b/core/class/AbeilleTools.class.php
index f1c6d8ea7..279a818f2 100755
--- a/core/class/AbeilleTools.class.php
+++ b/core/class/AbeilleTools.class.php
@@ -1170,5 +1170,17 @@ public static function base64url2base64($data) {
 
             return $b64;
         }
+
+        // Returns 'msg_send' error description
+        public static function getMsgSendErr($errCode) {
+            $errDesc = array(
+                '11' => 'Queue full',
+                '13' => 'Permission denied'
+            );
+            if (isset($errDesc[$errCode]))
+                return $errDesc[$errCode];
+            else
+                return "?";
+        }
     }
 ?>
diff --git a/core/php/AbeilleCmd.php b/core/php/AbeilleCmd.php
index eee9e3e88..baf8edf12 100644
--- a/core/php/AbeilleCmd.php
+++ b/core/php/AbeilleCmd.php
@@ -156,8 +156,9 @@ function msgToCmd($topic, $payload = '') {
 
         global $abQueues;
         $queue = msg_get_queue($abQueues["xToCmd"]["id"]);
-        if (msg_send($queue, 1, $msgJson, false, false, $errCode) == false) {
-            cmdLog("debug", "msgToCmd(): ERROR ".$errCode);
+        // Note: '@' to suppress PHP warning message.
+        if (@msg_send($queue, 1, $msgJson, false, false, $errCode) == false) {
+            cmdLog("debug", "  msgToCmd(xToCmd) ERROR ${errCode}/".AbeilleTools::getMsgSendErr($errCode));
         }
     }
 
@@ -166,8 +167,9 @@ function msgToAbeille($msg) {
         global $abQueues;
 
         $queue = msg_get_queue($abQueues["xToAbeille"]["id"]);
-        if (msg_send($queue, 1, json_encode($msg), false, false, $errCode) == false) {
-            cmdLog("debug", "msgToAbeille(): ERROR ".$errCode);
+        // Note: '@' to suppress PHP warning message.
+        if (@msg_send($queue, 1, json_encode($msg), false, false, $errCode) == false) {
+            cmdLog("debug", "  msgToAbeille() ERROR ${errCode}/".AbeilleTools::getMsgSendErr($errCode));
         }
     }
 
diff --git a/core/php/AbeilleParser.php b/core/php/AbeilleParser.php
index 076326f0a..4e451fba7 100644
--- a/core/php/AbeilleParser.php
+++ b/core/php/AbeilleParser.php
@@ -205,11 +205,7 @@ function msgToAbeille2($msg) {
         global $queueXToAbeille;
         // Note: '@' to suppress PHP warning message.
         if (@msg_send($queueXToAbeille, 1, $msgJson, false, false, $errCode) == false) {
-            // Err 11 = EAGAIN = Queue full ?
-            $errDesc = "";
-            if ($errCode == 11)
-                $errDesc = "/queue FULL";
-            parserLog("debug", "msgToAbeille2(): ERROR ${errCode}${errDesc}");
+            parserLog("debug", "msgToAbeille2() ERROR ${errCode}/".AbeilleTools::getMsgSendErr($errCode));
         }
     }
 
@@ -223,16 +219,18 @@ function msgToCmd($prio, $topic, $payload = '') {
         $msgJson = json_encode($msg, JSON_UNESCAPED_SLASHES);
 
         global $queueXToCmd;
-        if (msg_send($queueXToCmd, 1, $msgJson, false, false, $errCode) == false) {
-            parserLog("debug", "  ERROR: msgToCmd(): Can't write to 'queueXToCmd', error=".$errCode);
+        // Note: '@' to suppress PHP warning message.
+        if (@msg_send($queueXToCmd, 1, $msgJson, false, false, $errCode) == false) {
+            parserLog("debug", "  msgToCmd(queueXToCmd) ERROR ${errCode}/".AbeilleTools::getMsgSendErr($errCode));
         }
     }
 
     function msgToCmdAck($msg) {
         $msgJson = json_encode($msg, JSON_UNESCAPED_SLASHES);
         global $queueParserToCmdAck;
-        if (msg_send($queueParserToCmdAck, 1, $msgJson, false, false) == false) {
-            parserLog("error", "  ERROR: Can't send msg to 'queueParserToCmdAck'. msg=".$msgJson);
+        // Note: '@' to suppress PHP warning message.
+        if (@msg_send($queueParserToCmdAck, 1, $msgJson, false, false, $errCode) == false) {
+            parserLog("debug", "  msgToCmd(queueParserToCmdAck) ERROR ${errCode}/".AbeilleTools::getMsgSendErr($errCode));
         }
     }