diff --git a/pandora_console/include/functions_agents.php b/pandora_console/include/functions_agents.php
index 72d77a64d0..f21775ffa8 100644
--- a/pandora_console/include/functions_agents.php
+++ b/pandora_console/include/functions_agents.php
@@ -1713,16 +1713,12 @@ function agents_get_name($id_agent, $case='none')
         case 'upper':
         return mb_strtoupper($agent, 'UTF-8');
 
-            break;
         case 'lower':
         return mb_strtolower($agent, 'UTF-8');
 
-            break;
         case 'none':
         default:
         return ($agent);
-
-            break;
     }
 }
 
@@ -1809,23 +1805,37 @@ function agents_get_alias_array($array_ids)
 /**
  * Get alias of an agent (cached function).
  *
- * @param integer $id_agent Agent id.
- * @param string  $case     Case (upper, lower, none).
+ * @param integer|array $id_agent Agent id or array or box, also a boat.
+ * @param string        $case     Case (upper, lower, none).
  *
  * @return string Alias of the given agent.
  */
-function agents_get_alias($id_agent, $case='none')
+function agents_get_alias(int|array $id_agent, string $case='none')
 {
-    global $config;
     // Prepare cache.
     static $cache = [];
-    if (empty($case)) {
+    if (empty($case) === true) {
         $case = 'none';
     }
 
+    $agent_alias = '';
+    if (is_array($id_agent) === true) {
+        foreach ($id_agent as $agg) {
+            $agent_alias .= agents_get_alias($agg, $case);
+        }
+
+        return $agent_alias;
+    }
+
+    if (isset($cache[$case]) === false) {
+        $cache[$case] = [];
+    }
+
     // Check cache.
-    if (!is_metaconsole()) {
-        if (isset($cache[$case][$id_agent])) {
+    if (is_metaconsole() === false) {
+        if (is_numeric($id_agent) === true && isset($cache[$case]) === true
+            && isset($cache[$case][$id_agent]) === true
+        ) {
             return $cache[$case][$id_agent];
         }
     }
@@ -1851,7 +1861,7 @@ function agents_get_alias($id_agent, $case='none')
         break;
     }
 
-    if (!is_metaconsole()) {
+    if (is_metaconsole() === false) {
         $cache[$case][$id_agent] = $alias;
     }
 
diff --git a/pandora_console/include/functions_events.php b/pandora_console/include/functions_events.php
index 9b097d4a93..6c212ad06d 100644
--- a/pandora_console/include/functions_events.php
+++ b/pandora_console/include/functions_events.php
@@ -3003,7 +3003,8 @@ function events_get_group_events_steps(
  * @param boolean $id_server                   Id_server.
  * @param boolean $filter_event_filter_exclude Filter_event_filter_exclude.
  *
- * @return array An array with all the events happened.
+ * @return array|false An array with all the events happened. False if something
+ *                     failed.
  */
 function events_get_agent(
     $id_agent,
diff --git a/pandora_console/include/functions_graph.php b/pandora_console/include/functions_graph.php
index dd06153bcc..978cf2ec9c 100644
--- a/pandora_console/include/functions_graph.php
+++ b/pandora_console/include/functions_graph.php
@@ -1468,7 +1468,15 @@ function graphic_combined_module(
                     'module_description' => $module_description,
                 ];
 
-                if ($source['label'] != '') {
+                if (is_array($source['label']) === true) {
+                    $lab = '';
+                    foreach ($source['label'] as $label) {
+                        $lab .= reporting_label_macro(
+                            $items_label,
+                            $label
+                        );
+                    }
+                } else if ($source['label'] != '') {
                     $lab = reporting_label_macro(
                         $items_label,
                         $source['label']
diff --git a/pandora_console/include/functions_reporting.php b/pandora_console/include/functions_reporting.php
index c293bff068..b12cb919c2 100755
--- a/pandora_console/include/functions_reporting.php
+++ b/pandora_console/include/functions_reporting.php
@@ -2343,19 +2343,19 @@ function reporting_agents_inventory($report, $content)
         $search_sql .= ' AND id_os IN ('.implode(',', $es_os_filter).')';
     }
 
-    if ($es_agent_version_filter != '') {
+    if (empty($es_agent_version_filter) === false) {
         $search_sql .= ' AND tagente.agent_version LIKE "%'.$es_agent_version_filter.'%"';
     }
 
-    if ($es_agent_module_search_filter != '') {
+    if (empty($es_agent_module_search_filter) === false) {
         $search_sql .= ' AND tam.nombre LIKE "%'.$es_agent_module_search_filter.'%"';
     }
 
-    if ($es_agent_group_filter != 0) {
+    if (empty($es_agent_group_filter) === false) {
         $search_sql .= ' AND (tagente.id_grupo = '.$es_agent_group_filter.' OR tasg.id_group = '.$es_agent_group_filter.')';
     }
 
-    if ($es_agent_remote_conf != 0) {
+    if (empty($es_agent_remote_conf) === false) {
         $search_sql .= ' AND tagente.remote = '.$es_agent_remote_conf;
     }
 
@@ -9925,6 +9925,9 @@ function reporting_get_module_detailed_event(
             $id_server,
             $filter_event_filter_exclude
         );
+        if ($event['data'] === false) {
+            $event['data'] = [];
+        }
 
         // total_events
         if (isset($event['data'])) {
@@ -13785,7 +13788,7 @@ function reporting_get_agentmodule_sla_working_timestamp($period, $date_end, $wt
  *
  * @return string
  */
-function reporting_label_macro($item, $label)
+function reporting_label_macro($item, string $label)
 {
     if (preg_match('/_agent_/', $label)) {
         $label = str_replace(