diff --git a/core/datamodel.core.xml b/core/datamodel.core.xml
index f99367904..bea18700c 100644
--- a/core/datamodel.core.xml
+++ b/core/datamodel.core.xml
@@ -360,7 +360,13 @@
     } else {
       foreach ($aRecipientsIds as $iRecipientId) {
         $oEvent = Combodo\iTop\Service\Notification\Event\EventNotificationNewsroomService::MakeEventFromAction($this, $iRecipientId, $oTrigger->GetKey(), $sMessage, $sTitle, $sUrl, $iObjectId, $sObjectClass);
+        try {
           $oEvent->DBInsertNoReload();
+        } catch(CoreCannotSaveObjectException $e) {
+          ExceptionLog::LogException($e);
+          $oEvent = Combodo\iTop\Service\Notification\Event\EventNotificationNewsroomService::MakeEventFromAction($this, $iRecipientId, $oTrigger->GetKey(), Dict::Format('Core:EventNotificationNewsroom:ErrorOnDBInsert'), Dict::Format('Core:EventNotificationNewsroom:ErrorNotificationNotSent'), $sUrl, $iObjectId, $sObjectClass);
+          $oEvent->DBInsertNoReload();
+        }
       }
     }
 
diff --git a/dictionaries/cs.dictionary.itop.core.php b/dictionaries/cs.dictionary.itop.core.php
index 3e95c1cc4..c43f4d475 100755
--- a/dictionaries/cs.dictionary.itop.core.php
+++ b/dictionaries/cs.dictionary.itop.core.php
@@ -807,6 +807,8 @@ Je-li čas vynechán, bude nastaveno 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Chybní příkaz, nebo příkaz skončil s chybou (např chybný název skriptu)',
 	'Core:ExecProcess:Code255' => 'PHP Error (parsing/runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Uplynulý čas ("%1$s")',
diff --git a/dictionaries/da.dictionary.itop.core.php b/dictionaries/da.dictionary.itop.core.php
index 5f83d5e5b..8edf74b81 100644
--- a/dictionaries/da.dictionary.itop.core.php
+++ b/dictionaries/da.dictionary.itop.core.php
@@ -806,6 +806,8 @@ If the time is omitted, it defaults to 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Forkert kommando eller kommandoen afsluttede med fejl (f.eks. forkert script navn)',
 	'Core:ExecProcess:Code255' => 'PHP Error (parsing, or runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Time elapsed (stored as "%1$s")~~',
diff --git a/dictionaries/de.dictionary.itop.core.php b/dictionaries/de.dictionary.itop.core.php
index fa214dfd3..1dd0b2f68 100644
--- a/dictionaries/de.dictionary.itop.core.php
+++ b/dictionaries/de.dictionary.itop.core.php
@@ -808,6 +808,8 @@ Falls der Zeit-Wert weggelassen wird, ist der Standardwert 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Falscher Befehl oder Befehl mit Fehler beendet (z.B. falscher Skriptname).',
 	'Core:ExecProcess:Code255' => 'PHP-Fehler (Parsing oder Laufzeit)',
 	'Core:ExplainWTC:ElapsedTime' => 'Abgelaufene Zeit (gespeichert als \"%1$s\")',
diff --git a/dictionaries/en.dictionary.itop.core.php b/dictionaries/en.dictionary.itop.core.php
index 932bd36e9..95f98adeb 100644
--- a/dictionaries/en.dictionary.itop.core.php
+++ b/dictionaries/en.dictionary.itop.core.php
@@ -514,6 +514,8 @@ Dict::Add('EN US', 'English', 'English', array(
 	'Class:EventNotificationNewsroom/Attribute:read_date+' => '',
 	'Class:EventNotificationNewsroom/Attribute:contact_id' => 'Contact',
 	'Class:EventNotificationNewsroom/Attribute:contact_id+' => '',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification',
 ));
 
 //
diff --git a/dictionaries/es_cr.dictionary.itop.core.php b/dictionaries/es_cr.dictionary.itop.core.php
index 16f7273ab..4450cdfc9 100644
--- a/dictionaries/es_cr.dictionary.itop.core.php
+++ b/dictionaries/es_cr.dictionary.itop.core.php
@@ -792,6 +792,8 @@ Si se omite el tiempo, por omisión es 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Comando equivocado o comando terminó con errores (ejem. nombre incorrecto de script)',
 	'Core:ExecProcess:Code255' => 'PHP Error (parsing, or runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Tiempo transcurrido (almacenado como \"%1$s\")',
diff --git a/dictionaries/fr.dictionary.itop.core.php b/dictionaries/fr.dictionary.itop.core.php
index e45f7f39e..80e61b61e 100644
--- a/dictionaries/fr.dictionary.itop.core.php
+++ b/dictionaries/fr.dictionary.itop.core.php
@@ -835,6 +835,8 @@ Si l\'heure n\'est pas spécifiée, cela revient à 00:00:00 (minuit)
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification non envoyée',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'Une erreur est survenue lors de l\'envoi de la notification',
 	'Core:ExecProcess:Code1' => 'Mauvaise commande ou commande se finissant avec des erreurs (e.g. mauvais nom de script)',
 	'Core:ExecProcess:Code255' => 'Erreur PHP (analyse de fichier, ou exécution)',
 	'Core:ExplainWTC:ElapsedTime' => 'Temps écoulé (enregistré dans "%1$s")',
diff --git a/dictionaries/hu.dictionary.itop.core.php b/dictionaries/hu.dictionary.itop.core.php
index fb0d8a193..4a0dd1556 100755
--- a/dictionaries/hu.dictionary.itop.core.php
+++ b/dictionaries/hu.dictionary.itop.core.php
@@ -801,6 +801,8 @@ Ha az időpontot nem adja meg, akkor az alapértelmezett értéke 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$d óra %2$d perc %3$d mp',
 	'Core:Duration_Minutes_Seconds' => '%1$d perc %2$d mp',
 	'Core:Duration_Seconds' => '%1$d mp',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Helytelen parancs vagy hibásan befejezett parancs (pl. helytelen szkriptnév)',
 	'Core:ExecProcess:Code255' => 'PHP hiba (parsing, vagy runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Eltelt idő (tárolva mint %1$s)',
diff --git a/dictionaries/it.dictionary.itop.core.php b/dictionaries/it.dictionary.itop.core.php
index a8c358f3d..aaa3ba74a 100644
--- a/dictionaries/it.dictionary.itop.core.php
+++ b/dictionaries/it.dictionary.itop.core.php
@@ -802,6 +802,8 @@ Se \'oraè omessa, di default è 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$sec',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Comando errato o comando finito con errori (es. errato nome dello script)',
 	'Core:ExecProcess:Code255' => 'Errore PHP (parsing o runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Tempo trascorso (memorizzato come \"%1$s\")',
diff --git a/dictionaries/ja.dictionary.itop.core.php b/dictionaries/ja.dictionary.itop.core.php
index a1680bed2..c554c54a4 100644
--- a/dictionaries/ja.dictionary.itop.core.php
+++ b/dictionaries/ja.dictionary.itop.core.php
@@ -812,6 +812,8 @@ Operators:<br/>
 	'Core:ExplainWTC:StopWatch-TimeSpent' => 'Time spent for "%1$s"~~',
 	'Core:FriendlyName-Description' => 'Friendly name',
 	'Core:FriendlyName-Label' => 'Name',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:Placeholder:CannotBeResolved' => '(%1$s : cannot be resolved)~~',
 	'Core:SyncDataExchangeComment' => '(データ同期)',
 	'Core:SyncDataSourceAccessRestriction' => '管理者またはデータ·ソースに指定されたユーザーのみ、この操作を実行することができます。操作はキャンセルされました。',
diff --git a/dictionaries/nl.dictionary.itop.core.php b/dictionaries/nl.dictionary.itop.core.php
index 7c4e514bb..6d6e29552 100644
--- a/dictionaries/nl.dictionary.itop.core.php
+++ b/dictionaries/nl.dictionary.itop.core.php
@@ -804,6 +804,8 @@ Hier wordt standaard \'00:00:00\' van gemaakt als er geen tijd wordt opgegeven.
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Verkeerde commando of commando beëindigd met fouten (bijvoorbeeld verkeerde scriptnaam)',
 	'Core:ExecProcess:Code255' => 'PHP Error (parsing, of runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Tijd voorbij (opgeslagen als "%1$s")',
diff --git a/dictionaries/pl.dictionary.itop.core.php b/dictionaries/pl.dictionary.itop.core.php
index afac1a3cf..11f5ec951 100644
--- a/dictionaries/pl.dictionary.itop.core.php
+++ b/dictionaries/pl.dictionary.itop.core.php
@@ -803,6 +803,8 @@ Jeśli czas zostanie pominięty, domyślnie to 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Niewłaściwe polecenie lub polecenie zakończone błędami (np. zła nazwa skryptu)',
 	'Core:ExecProcess:Code255' => 'Błąd PHP (parsowanie lub środowisko uruchomieniowe)',
 	'Core:ExplainWTC:ElapsedTime' => 'Czas, który upłynął (przechowywany jako "%1$s")',
diff --git a/dictionaries/pt_br.dictionary.itop.core.php b/dictionaries/pt_br.dictionary.itop.core.php
index 90a0ac81c..770292ba2 100644
--- a/dictionaries/pt_br.dictionary.itop.core.php
+++ b/dictionaries/pt_br.dictionary.itop.core.php
@@ -801,6 +801,8 @@ Se o tempo for omitido, o padrão é 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Comando incorreto ou comando terminou com erros (por exemplo, nome do script errado)',
 	'Core:ExecProcess:Code255' => 'Erro PHP (parsing, ou runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Tempo decorrido (armazenado como \"%1$s\")',
diff --git a/dictionaries/ru.dictionary.itop.core.php b/dictionaries/ru.dictionary.itop.core.php
index df5e969ca..bad043e08 100644
--- a/dictionaries/ru.dictionary.itop.core.php
+++ b/dictionaries/ru.dictionary.itop.core.php
@@ -806,6 +806,8 @@ If omitted the From (label) is used.~~',
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$d ч %2$d мин %3$d с',
 	'Core:Duration_Minutes_Seconds' => '%1$d мин %2$d с',
 	'Core:Duration_Seconds' => '%1$d с',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Неверная команда или команда завершена с ошибкой (возможно, неверное имя скрипта)',
 	'Core:ExecProcess:Code255' => 'Ошибка PHP (parsing, or runtime)',
 	'Core:ExplainWTC:ElapsedTime' => 'Time elapsed (stored as "%1$s")',
diff --git a/dictionaries/sk.dictionary.itop.core.php b/dictionaries/sk.dictionary.itop.core.php
index 7ecd34fdb..0ff12ee48 100644
--- a/dictionaries/sk.dictionary.itop.core.php
+++ b/dictionaries/sk.dictionary.itop.core.php
@@ -825,6 +825,8 @@ Ak je čas vynechaný, predvolený čas je 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Nesprávny príkaz alebo príkaz skončil s chybami (napr. nesprávne meno skriptu)',
 	'Core:ExecProcess:Code255' => 'PHP chyba (pri parsovaní, alebo počas behu)',
 	'Core:ExplainWTC:ElapsedTime' => 'Time elapsed (stored as "%1$s")~~',
diff --git a/dictionaries/tr.dictionary.itop.core.php b/dictionaries/tr.dictionary.itop.core.php
index 74e19bbeb..df3ed2329 100644
--- a/dictionaries/tr.dictionary.itop.core.php
+++ b/dictionaries/tr.dictionary.itop.core.php
@@ -806,6 +806,8 @@ If the time is omitted, it defaults to 00:00:00
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => 'Yanlış komut veya komut hataları ile bitti (örneğin, yanlış senaryo adı)',
 	'Core:ExecProcess:Code255' => 'PHP hatası (ayrıştırma veya çalışma zamanı)',
 	'Core:ExplainWTC:ElapsedTime' => 'Geçen zaman (\"%1$s\" olarak saklanır)',
diff --git a/dictionaries/zh_cn.dictionary.itop.core.php b/dictionaries/zh_cn.dictionary.itop.core.php
index e34401268..0501a7d2e 100644
--- a/dictionaries/zh_cn.dictionary.itop.core.php
+++ b/dictionaries/zh_cn.dictionary.itop.core.php
@@ -822,6 +822,8 @@ Operators:<br/>
 	'Core:Duration_Hours_Minutes_Seconds' => '%1$dh %2$dmin %3$ds',
 	'Core:Duration_Minutes_Seconds' => '%1$dmin %2$ds',
 	'Core:Duration_Seconds' => '%1$ds',
+	'Core:EventNotificationNewsroom:ErrorNotificationNotSent' => 'Notification not sent~~',
+	'Core:EventNotificationNewsroom:ErrorOnDBInsert' => 'An error occurred while saving the notification~~',
 	'Core:ExecProcess:Code1' => '命令错误或命令执行出错 (例如错误的脚本名称)',
 	'Core:ExecProcess:Code255' => 'PHP错误 (解析, 或运行时)',
 	'Core:ExplainWTC:ElapsedTime' => '耗时 (储存为 "%1$s")',
diff --git a/pages/preferences.php b/pages/preferences.php
index a5495291c..707cf19eb 100644
--- a/pages/preferences.php
+++ b/pages/preferences.php
@@ -24,6 +24,7 @@ use Combodo\iTop\Application\UI\Preferences\BlockShortcuts\BlockShortcuts;
 use Combodo\iTop\Application\WebPage\ErrorPage;
 use Combodo\iTop\Application\WebPage\iTopWebPage;
 use Combodo\iTop\Application\WebPage\WebPage;
+use Combodo\iTop\Controller\Newsroom\iTopNewsroomController;
 use Combodo\iTop\Controller\Notifications\NotificationsCenterController;
 use Combodo\iTop\Service\InterfaceDiscovery\InterfaceDiscovery;
 use Combodo\iTop\Service\Router\Router;
@@ -33,6 +34,7 @@ require_once(APPROOT.'/application/application.inc.php');
 require_once(APPROOT.'/application/startup.inc.php');
 IssueLog::Trace('----- Request: '.utils::GetRequestUri(), LogChannels::WEB_REQUEST);
 
+
 /**
  * Displays the user's changeable preferences
  * @param $oP WebPage The web page used for the output
@@ -269,10 +271,10 @@ JS
 
 		$sNewsroomHtml = '';
 		$sNewsroomHtml .= '<form method="post">';
-		$iNewsroomDisplaySize = (int)appUserPreferences::GetPref('newsroom_display_size', 7);
+		$iNewsroomDisplaySize = (int)appUserPreferences::GetPref('newsroom_display_size', iTopNewsroomController::DEFAULT_NEWSROOM_DISPLAY_SIZE);
 
-		if ($iNewsroomDisplaySize < 1) $iNewsroomDisplaySize = 1;
-		if ($iNewsroomDisplaySize > 20) $iNewsroomDisplaySize = 20;
+		if ($iNewsroomDisplaySize < iTopNewsroomController::DEFAULT_NEWSROOM_MIN_DISPLAY_SIZE) $iNewsroomDisplaySize = iTopNewsroomController::DEFAULT_NEWSROOM_MIN_DISPLAY_SIZE;
+		if ($iNewsroomDisplaySize > iTopNewsroomController::DEFAULT_NEWSROOM_MAX_DISPLAY_SIZE) $iNewsroomDisplaySize = iTopNewsroomController::DEFAULT_NEWSROOM_MAX_DISPLAY_SIZE;
 		$sInput = '<input min="1" max="20" id="newsroom_display_size" type="number" size="2" name="newsroom_display_size" value="'.$iNewsroomDisplaySize.'">';
 		$sIcon = '<i id="newsroom_menu_icon" class="top-right-icon icon-additional-arrow fas fa-bell" style="top: 0;"></i>';
 		$sNewsroomHtml .= Dict::Format('UI:Newsroom:DisplayAtMost_X_Messages', $sInput, $sIcon);
@@ -852,6 +854,8 @@ try {
 				DisplayPreferences($oPage);
 				break;
 			case 'apply_newsroom_preferences':
+
+
 				$iCountProviders = 0;
 				$oUser = UserRights::GetUserObject();
 				/** @var iNewsroomProvider[] $aProviders */
@@ -864,14 +868,14 @@ try {
 				}
 				$bNewsroomEnabled = (MetaModel::GetConfig()->Get('newsroom_enabled') !== false);
 				if ($bNewsroomEnabled && ($iCountProviders > 0)) {
-					$iNewsroomDisplaySize = (int)utils::ReadParam('newsroom_display_size', 7);
-					if ($iNewsroomDisplaySize < 1) {
-						$iNewsroomDisplaySize = 1;
+					$iNewsroomDisplaySize = (int)utils::ReadParam('newsroom_display_size', iTopNewsroomController::DEFAULT_NEWSROOM_DISPLAY_SIZE);
+					if ($iNewsroomDisplaySize < iTopNewsroomController::DEFAULT_NEWSROOM_MIN_DISPLAY_SIZE) {
+						$iNewsroomDisplaySize = iTopNewsroomController::DEFAULT_NEWSROOM_MIN_DISPLAY_SIZE;
 					}
-					if ($iNewsroomDisplaySize > 20) {
-						$iNewsroomDisplaySize = 20;
+					if ($iNewsroomDisplaySize > iTopNewsroomController::DEFAULT_NEWSROOM_MAX_DISPLAY_SIZE) {
+						$iNewsroomDisplaySize = iTopNewsroomController::DEFAULT_NEWSROOM_MAX_DISPLAY_SIZE;
 					}
-					$iCurrentDisplaySize = (int)appUserPreferences::GetPref('newsroom_display_size', $iNewsroomDisplaySize);
+					$iCurrentDisplaySize = (int)appUserPreferences::GetPref('newsroom_display_size', iTopNewsroomController::DEFAULT_NEWSROOM_DISPLAY_SIZE);
 					if ($iCurrentDisplaySize != $iNewsroomDisplaySize) {
 						// Save the preference only if it differs from the current (or default) value
 						appUserPreferences::SetPref('newsroom_display_size', $iNewsroomDisplaySize);
diff --git a/sources/Controller/Newsroom/iTopNewsroomController.php b/sources/Controller/Newsroom/iTopNewsroomController.php
index 5d737da60..134af6c31 100644
--- a/sources/Controller/Newsroom/iTopNewsroomController.php
+++ b/sources/Controller/Newsroom/iTopNewsroomController.php
@@ -48,6 +48,10 @@ use appUserPreferences;
 class iTopNewsroomController extends Controller
 {
 	public const ROUTE_NAMESPACE = 'itopnewsroom';
+	public const DEFAULT_NEWSROOM_DISPLAY_SIZE = 7;
+	public const DEFAULT_NEWSROOM_MIN_DISPLAY_SIZE = 1;
+	public const DEFAULT_NEWSROOM_MAX_DISPLAY_SIZE = 20;
+
 
 	/**
 	 * @return iTopWebPage