diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9a87d8e7a2..ce0202aab9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -5,17 +5,6 @@ You want to contribute to iTop? Many thanks to you! 🎉 👍
 Here are some guidelines that will help us integrate your work!
 
 
-## Contributions
-
-
-```
-  _   _            _    _        _                __           _   
- | | | | __ _  ___| | _| |_ ___ | |__   ___ _ __ / _| ___  ___| |_ 
- | |_| |/ _` |/ __| |/ / __/ _ \| '_ \ / _ \ '__| |_ / _ \/ __| __|
- |  _  | (_| | (__|   <| || (_) | |_) |  __/ |  |  _|  __/\__ \ |_ 
- |_| |_|\__,_|\___|_|\_\\__\___/|_.__/ \___|_|  |_|  \___||___/\__|                                              
-```                                                                     
-This repository is part of Hacktoberfest. Contributions are welcome! Feel free to suggest improvements, add translation, fix bugs, or propose new features. Thank you for contributing !
 
 
 ### Subjects
diff --git a/addons/userrights/userrightsprofile.class.inc.php b/addons/userrights/userrightsprofile.class.inc.php
index 366630510b..b9ac16d846 100644
--- a/addons/userrights/userrightsprofile.class.inc.php
+++ b/addons/userrights/userrightsprofile.class.inc.php
@@ -353,7 +353,11 @@ protected function CheckIfProfileIsAllowed($iActionCode)
 		{
 			throw new SecurityException(Dict::Format('UI:Login:Error:AccessRestricted'));
 		}
-		if (!UserRights::IsActionAllowed(get_class($this), $iActionCode, DBObjectSet::FromObject($this)))
+
+		$oSet = new \ormLinkSet(get_class($oUser), 'profile_list', \DBObjectSet::FromScratch(\URP_UserProfile::class));
+		$oSet->AddItem(MetaModel::NewObject('URP_UserProfile', ['profileid' => $this->GetKey(), 'reason' => 'CheckIfProfileIsAllowed']));
+
+		if (!UserRights::IsActionAllowed(get_class($this), $iActionCode, $oSet))
 		{
 			throw new SecurityException(Dict::Format('UI:Error:ObjectCannotBeUpdated'));
 		}
@@ -495,10 +499,8 @@ public function CreateAdministrator($sAdminUser, $sAdminPwd, $sLanguage = 'EN US
 		$oAdminProfile = MetaModel::GetObjectFromOQL("SELECT URP_Profiles WHERE name = :name", array('name' => ADMIN_PROFILE_NAME), true /*all data*/);
 		if (is_object($oAdminProfile))
 		{
-			$oUserProfile = new URP_UserProfile();
-			$oUserProfile->Set('profileid', $oAdminProfile->GetKey());
-			$oUserProfile->Set('reason', 'By definition, the administrator must have the administrator profile');
-			$oSet = DBObjectSet::FromObject($oUserProfile);
+			$oSet = new \ormLinkSet(UserLocal::class, 'profile_list', \DBObjectSet::FromScratch(\URP_UserProfile::class));
+			$oSet->AddItem(MetaModel::NewObject('URP_UserProfile', ['profileid' => $oAdminProfile->GetKey(), 'reason' => 'CreateAdministrator']));
 			$oUser->Set('profile_list', $oSet);
 		}
 		$iUserId = $oUser->DBInsertNoReload();
diff --git a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
index d9da9cb7d7..3c2d6d52f4 100755
--- a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
+++ b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
@@ -193,8 +193,7 @@
 
 		$sTicketListAttCode = 'tickets_list';
 
-		if (MetaModel::IsValidAttCode(get_class($this), $sTicketListAttCode))
-		{
+		if (MetaModel::HasChildrenClasses('Ticket') && MetaModel::IsValidAttCode(get_class($this), $sTicketListAttCode))	{
 			// Display one list per leaf class (the only way to display the status as of now)
 
 			$oAttDef = MetaModel::GetAttributeDef(get_class($this), $sTicketListAttCode);
diff --git a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
index 1abfa234d4..7b350534d4 100644
--- a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
+++ b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
@@ -616,10 +616,9 @@ protected function CreateContactlessUser($sLogin, $iProfileId, $sPassword=null)
 			$sPassword = $sLogin;
 		}
 
-		$oUserProfile = new URP_UserProfile();
-		$oUserProfile->Set('profileid', $iProfileId);
-		$oUserProfile->Set('reason', 'UNIT Tests');
-		$oSet = DBObjectSet::FromObject($oUserProfile);
+		$oSet = new \ormLinkSet(\UserLocal::class, 'profile_list', \DBObjectSet::FromScratch(\URP_UserProfile::class));
+		$oSet->AddItem(MetaModel::NewObject('URP_UserProfile', ['profileid' => $iProfileId, 'reason' => 'UNIT Tests']));
+
 		/** @var \UserLocal $oUser */
 		$oUser = $this->createObject('UserLocal', array(
 			'login' => $sLogin,
diff --git a/tests/php-unit-tests/unitary-tests/core/UserRightsTest.php b/tests/php-unit-tests/unitary-tests/core/UserRightsTest.php
index 5a743a0e8b..7bc2a36c95 100644
--- a/tests/php-unit-tests/unitary-tests/core/UserRightsTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/UserRightsTest.php
@@ -33,7 +33,7 @@
 use DBObjectSearch;
 use DBObjectSet;
 use DeleteException;
-use URP_UserProfile;
+use MetaModel;
 use UserRights;
 use utils;
 
@@ -421,10 +421,8 @@ public function testDenyingUserModification()
 		$this->AddProfileToUser($oUser, 3);
 
 		// Keep only the profile 3 (remove profile 1)
-		$oUserProfile = new URP_UserProfile();
-		$oUserProfile->Set('profileid', 3);
-		$oUserProfile->Set('reason', 'UNIT Tests');
-		$oSet = DBObjectSet::FromObject($oUserProfile);
+		$oSet = new \ormLinkSet(\UserLocal::class, 'profile_list', \DBObjectSet::FromScratch(\URP_UserProfile::class));
+		$oSet->AddItem(MetaModel::NewObject('URP_UserProfile', ['profileid' => 3, 'reason' => 'UNIT Tests']));
 		$oUser->Set('profile_list', $oSet);
 
 		try {
diff --git a/tests/php-unit-tests/unitary-tests/datamodels/2.x/itop-config/BulkChangeExtKeyTest.php b/tests/php-unit-tests/unitary-tests/datamodels/2.x/itop-config/BulkChangeExtKeyTest.php
index f16adeb739..26c2bbe662 100644
--- a/tests/php-unit-tests/unitary-tests/datamodels/2.x/itop-config/BulkChangeExtKeyTest.php
+++ b/tests/php-unit-tests/unitary-tests/datamodels/2.x/itop-config/BulkChangeExtKeyTest.php
@@ -69,10 +69,8 @@ private function createAnotherUserInAnotherOrg() {
 
 		$sUid = $this->GetUid();
 
-		$oUserProfile = new \URP_UserProfile();
-		$oUserProfile->Set('profileid', $oProfile->GetKey());
-		$oUserProfile->Set('reason', 'UNIT Tests');
-		$oSet = \DBObjectSet::FromObject($oUserProfile);
+		$oSet = new \ormLinkSet(\UserLocal::class, 'profile_list', \DBObjectSet::FromScratch(\URP_UserProfile::class));
+		$oSet->AddItem(MetaModel::NewObject('URP_UserProfile', ['profileid' => $oProfile->GetKey(), 'reason' => 'UNIT Tests']));
 
 		$oPerson = $this->CreatePerson('666', $oOrg2->GetKey());
 		$oUser = $this->createObject('UserLocal', array(