diff --git a/pandora_console/godmode/massive/massive_delete_modules.php b/pandora_console/godmode/massive/massive_delete_modules.php
index be10127a80..8725c713aa 100755
--- a/pandora_console/godmode/massive/massive_delete_modules.php
+++ b/pandora_console/godmode/massive/massive_delete_modules.php
@@ -385,6 +385,9 @@ echo '</form>';
 echo '<h3 class="error invisible" id="message"> </h3>';
 
 ui_require_jquery_file ('form');
+//Hack to translate text "none" in PHP to javascript
+echo '<span id ="none_text" style="display: none;">' . __('None') . '</span>';
+echo '<span id ="select_agent_first_text" style="display: none;">' . __('Please, select an agent first') . '</span>';
 ui_require_jquery_file ('pandora.controls');
 
 if ($selection_mode == 'modules') {
diff --git a/pandora_console/godmode/massive/massive_edit_modules.php b/pandora_console/godmode/massive/massive_edit_modules.php
index b12093aaf5..a7056636b0 100755
--- a/pandora_console/godmode/massive/massive_edit_modules.php
+++ b/pandora_console/godmode/massive/massive_edit_modules.php
@@ -709,6 +709,7 @@ echo '</form>';
 echo '<h3 class="error invisible" id="message"> </h3>';
 //Hack to translate text "none" in PHP to javascript
 echo '<span id ="none_text" style="display: none;">' . __('None') . '</span>';
+echo '<span id ="select_agent_first_text" style="display: none;">' . __('Please, select an agent first') . '</span>';
 ui_require_jquery_file ('pandora.controls');
 
 if ($selection_mode == 'modules') {
diff --git a/pandora_console/include/javascript/pandora.js b/pandora_console/include/javascript/pandora.js
index 0788f43c70..2b323a55f1 100644
--- a/pandora_console/include/javascript/pandora.js
+++ b/pandora_console/include/javascript/pandora.js
@@ -189,8 +189,10 @@ function agent_changed_by_multiple_agents (event, id_agent, selected) {
 			$('#module').empty ();
 			
 			if (isEmptyObject(data)) {
-				var noneText = $("#none_text").html(); //Trick for catch the translate text.
-				
+				//Trick for catch the translate text.
+				var noneText = $("#id_agents").val() === null
+					? $("#select_agent_first_text").html()
+					: $("#none_text").html();
 				if (noneText == null) {
 					noneText = 'None';
 				}
diff --git a/pandora_console/operation/agentes/ver_agente.php b/pandora_console/operation/agentes/ver_agente.php
index 00d5839046..df7a2777ff 100644
--- a/pandora_console/operation/agentes/ver_agente.php
+++ b/pandora_console/operation/agentes/ver_agente.php
@@ -340,6 +340,11 @@ if (is_ajax ()) {
 				'tmetaconsole_setup', 'id', $id_server);
 		}
 
+		if (empty($idAgents[0])) {
+			echo json_encode(array());
+			return;
+		}
+
 		$filter = '1 = 1';
 
 		$all = (string)get_parameter('all', 'all');