From 4e9f7b8ada8ad1feaa95a1a93d9c0f59ead9a4a9 Mon Sep 17 00:00:00 2001
From: Nik Graf <nik@nikgraf.com>
Date: Thu, 26 Jun 2025 20:05:12 +0200
Subject: [PATCH] graceful handling of missing relation type

---
 packages/hypergraph-react/src/internal/use-query-public.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/hypergraph-react/src/internal/use-query-public.tsx b/packages/hypergraph-react/src/internal/use-query-public.tsx
index ab0dc48b..4a5632bb 100644
--- a/packages/hypergraph-react/src/internal/use-query-public.tsx
+++ b/packages/hypergraph-react/src/internal/use-query-public.tsx
@@ -205,7 +205,7 @@ const convertRelations = <S extends Entity.AnyNoContext>(
   const rawEntity: Record<string, string | boolean | number | unknown[] | URL | Date> = {};
 
   for (const [key, relationId] of Object.entries(mappingEntry?.relations ?? {})) {
-    const properties = (queryEntity.relations ?? []).filter((a) => a.type.id === relationId);
+    const properties = (queryEntity.relations ?? []).filter((a) => a.type?.id === relationId);
     if (properties.length === 0) {
       rawEntity[key] = [] as unknown[];
       continue;