diff --git a/front/deleted_equiv.php b/front/deleted_equiv.php
index 190823c1..50f73da0 100644
--- a/front/deleted_equiv.php
+++ b/front/deleted_equiv.php
@@ -63,7 +63,7 @@
       PluginOcsinventoryngOcsProcess::manageDeleted($_SESSION["plugin_ocsinventoryng_ocsservers_id"]);
    }
 
-   if ($_SESSION["ocs_deleted_equiv"]["total"] != $_SESSION["ocs_deleted_equiv"]["deleted"] && $_SESSION["ocs_deleted_equiv"]["last_req"]) {
+   if ($_SESSION["ocs_deleted_equiv"]["total"] != $_SESSION["ocs_deleted_equiv"]["deleted"] && isset($_SESSION["ocs_deleted_equiv"]["last_req"])) {
 
       echo $_SESSION["ocs_deleted_equiv"]["deleted"] . "/" . $_SESSION["ocs_deleted_equiv"]["total"];
       echo "<br><br>";
diff --git a/hook.php b/hook.php
index 1b11b3a3..2dc54509 100644
--- a/hook.php
+++ b/hook.php
@@ -2222,7 +2222,7 @@ function addNotifications() {
                         NOW(), '', NULL,
                         NOW());";
       $DB->queryOrDie($query, $DB->error());
-      $templates_id = $DB->insert_id();
+      $templates_id = $DB->insertId();
       $query        = "INSERT INTO `glpi_notificationtemplatetranslations`
                 VALUES (NULL, $templates_id, '',
                         '##lang.notimported.action## : ##notimported.entity##',
@@ -2267,7 +2267,7 @@ function addNotifications() {
              (`name`, `itemtype`)
              VALUES ('Check rule import entity', 'PluginOcsinventoryngRuleImportEntity');";
       $DB->queryOrDie($query, $DB->error());
-      $templates_id = $DB->insert_id();
+      $templates_id = $DB->insertId();
       //Add translations
       $query = "INSERT INTO `glpi_notificationtemplatetranslations`
                (`notificationtemplates_id`, `subject`, `content_text`, `content_html`)
@@ -2745,7 +2745,7 @@ function plugin_ocsinventoryng_upgrademassocsimport14to15() {
                "VALUES (NULL, 'Computers not imported', 'PluginMassocsimportNotimported',
                         NOW(), '', '', NOW());";
       $DB->queryOrDie($query, $DB->error());
-      $templates_id = $DB->insert_id();
+      $templates_id = $DB->insertId();
       $query        = "INSERT INTO `glpi_notificationtemplatetranslations` " .
                       "VALUES(NULL, $templates_id, '', '##lang.notimported.action## : ##notimported.entity##'," .
                       " '\r\n\n##lang.notimported.action## :&#160;##notimported.entity##\n\n" .
@@ -2874,7 +2874,7 @@ function plugin_ocsinventoryng_add_notifications_alerts() {
              (`name`, `itemtype`)
              VALUES ('Alert machines ocs', 'PluginOcsinventoryngOcsAlert');";
       $DB->queryOrDie($query, $DB->error());
-      $templates_id = $DB->insert_id();
+      $templates_id = $DB->insertId();
 
       $query = "INSERT INTO `glpi_notificationtemplatetranslations`
                 (`notificationtemplates_id`, `subject`, `content_text`, `content_html`)
diff --git a/inc/ocslink.class.php b/inc/ocslink.class.php
index db8baac6..d4adc572 100644
--- a/inc/ocslink.class.php
+++ b/inc/ocslink.class.php
@@ -964,7 +964,7 @@ static function ocsLink($link_params) {
       $result = $DB->query($query);
 
       if ($result) {
-         return ($DB->insert_id());
+         return ($DB->insertId());
       }
 
       return false;
diff --git a/inc/snmpocslink.class.php b/inc/snmpocslink.class.php
index 47d01cd3..cac7bdef 100644
--- a/inc/snmpocslink.class.php
+++ b/inc/snmpocslink.class.php
@@ -2807,7 +2807,7 @@ static function ocsSnmpLink($ocsid, $plugin_ocsinventoryng_ocsservers_id, $items
       $result = $DB->query($query);
 
       if ($result) {
-         return ($DB->insert_id());
+         return ($DB->insertId());
       }
 
       return false;