Resolve #6192

src/server/api/endpoints/users/groups/invite.ts

@@ -104,7 +104,8 @@ export default define(meta, async (ps, me) => {
 	} as UserGroupInvitation);
 
 	// 通知を作成
-	createNotification(user.id, me.id, 'groupInvited', {
+	createNotification(user.id, 'groupInvited', {
+		notifierId: me.id,
 		userGroupInvitationId: invitation.id
 	});
 });