Solved issues related to the build

src/pages/(admin)/Lists/UserList.tsx

@@ -21,7 +21,7 @@ export default function UserList({user}: {user: User}) {
 	const [showDemographicInformation, setShowDemographicInformation] = useState(false);
 
 	const {users, reload} = useUsers();
-	const {groups} = useGroups(user.id);
+	const {groups} = useGroups(user ? user.id : undefined);
 
 	const deleteAccount = (user: User) => {
 		if (!confirm(`Are you sure you want to delete ${user.name}'s account?`)) return;
@@ -245,7 +245,10 @@ export default function UserList({user}: {user: User}) {
 	];
 
 	const table = useReactTable({
-		data: user.type === "admin" || user.type === "student" ? users.filter((u) => groups.flatMap((g) => g.participants).includes(u.id)) : users,
+		data:
+			user && (user.type === "admin" || user.type === "student")
+				? users.filter((u) => groups.flatMap((g) => g.participants).includes(u.id))
+				: users,
 		columns: (!showDemographicInformation ? defaultColumns : demographicColumns) as any,
 		getCoreRowModel: getCoreRowModel(),
 	});