diff --git a/pandora_console/operation/agentes/alerts_status.php b/pandora_console/operation/agentes/alerts_status.php
index a4f7c7d81c..68988900bc 100755
--- a/pandora_console/operation/agentes/alerts_status.php
+++ b/pandora_console/operation/agentes/alerts_status.php
@@ -536,19 +536,21 @@ echo '</div>';
 ui_require_css_file('cluetip', 'include/styles/js/');
 ui_require_jquery_file('cluetip');
 
-$system_higher = false;
-$modules_agent = db_get_all_rows_sql(sprintf('SELECT id_agente FROM tagente_modulo WHERE id_agente = %s', $id_agente));
-if (is_array($modules_agent)) {
-    $all_modules = db_get_all_rows_sql('SELECT id_agente FROM tagente_modulo');
-    $all_agents = db_get_all_rows_sql('SELECT id_agente FROM tagente');
-    if (is_array($all_modules) && is_array($all_agents)) {
-        if ((count($all_modules) / count($all_agents)) >= 200) {
-            $system_higher = true;
+if (isset($id_agente)) {
+    $system_higher = false;
+    $modules_agent = db_get_all_rows_sql(sprintf('SELECT id_agente FROM tagente_modulo WHERE id_agente = %s', $id_agente));
+    if (is_array($modules_agent)) {
+        $all_modules = db_get_all_rows_sql('SELECT id_agente FROM tagente_modulo');
+        $all_agents = db_get_all_rows_sql('SELECT id_agente FROM tagente');
+        if (is_array($all_modules) && is_array($all_agents)) {
+            if ((count($all_modules) / count($all_agents)) >= 200) {
+                $system_higher = true;
+            }
         }
     }
-}
 
-echo '<div id="system_higher" class="invisible_important agent_details_agent_data flex_important"><img src="images/alert-yellow@svg.svg" width="10%" class="mrgn_right_20px">'.__('Your system has a much higher rate of modules per agent than recommended (200 modules per agent). This implies performance problems in the system, please consider reducing the number of modules in this agent.').'</div>';
+    echo '<div id="system_higher" class="invisible_important agent_details_agent_data flex_important"><img src="images/alert-yellow@svg.svg" width="10%" class="mrgn_right_20px">'.__('Your system has a much higher rate of modules per agent than recommended (200 modules per agent). This implies performance problems in the system, please consider reducing the number of modules in this agent.').'</div>';
+}
 
 ?>