diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index eb6ac7e882b..0f53f41e789 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1724,6 +1724,18 @@ abstract class CommonObject
 		return 0;
 	}
 
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
+	/**
+	 *		Load the project with id $this->fk_project into this->project
+	 *
+	 *		@return		int			<0 if KO, >=0 if OK
+	 */
+	public function fetch_project()
+	{
+		// phpcs:enable
+		return $this->fetch_projet();
+	}
+
 	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *		Load the project with id $this->fk_project into this->project
diff --git a/htdocs/eventorganization/class/conferenceorboothattendee.class.php b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
index 1481d899599..7fb77b69b64 100644
--- a/htdocs/eventorganization/class/conferenceorboothattendee.class.php
+++ b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
@@ -634,6 +634,31 @@ class ConferenceOrBoothAttendee extends CommonObject
 		}
 	}
 
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
+	/**
+	 *		Load the project with id $this->fk_project into this->project
+	 *
+	 *		@return		int			<0 if KO, >=0 if OK
+	 */
+	public function fetch_projet()
+	{
+		// phpcs:enable
+		include_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
+
+		if (empty($this->fk_project) && !empty($this->fk_projet)) {
+			$this->fk_project = $this->fk_projet; // For backward compatibility
+		}
+		if (empty($this->fk_project)) {
+			return 0;
+		}
+
+		$project = new Project($this->db);
+		$result = $project->fetch($this->fk_project);
+
+		$this->projet = $project; // deprecated
+		$this->project = $project;
+		return $result;
+	}
 
 	/**
 	 *	Set draft status
diff --git a/htdocs/public/payment/newpayment.php b/htdocs/public/payment/newpayment.php
index 9aef4c18ed2..2cd49838b78 100644
--- a/htdocs/public/payment/newpayment.php
+++ b/htdocs/public/payment/newpayment.php
@@ -1840,7 +1840,7 @@ if ($source == 'organizedeventregistration') {
 	print '</td></tr>'."\n";
 
 	if (! is_object($attendee->project)) {
-		$text = 'ErrorProjectotFound';
+		$text = 'ErrorProjectNotFound';
 	} else {
 		$text = $langs->trans("PaymentEvent").' - '.$attendee->project->title;
 	}