diff --git a/backend/src/receipt-import/receipt-import.service.ts b/backend/src/receipt-import/receipt-import.service.ts
index 570a8060..01c989a2 100644
--- a/backend/src/receipt-import/receipt-import.service.ts
+++ b/backend/src/receipt-import/receipt-import.service.ts
@@ -174,9 +174,17 @@ export class ReceiptImportService {
     let categories: Awaited<ReturnType<CategoriesService['findFlattened']>>;
     try {
       categories = await this.categoriesService.findFlattened();
-    } catch {
+    } catch (err) {
+      this.logger.warn(
+        `prepareMatchingContext: kunde inte ladda kategorier (${String(err)}). Kategori-förslag kan utebli.`,
+      );
       categories = [];
     }
+    if (categories.length === 0) {
+      this.logger.warn(
+        'prepareMatchingContext: inga kategorier laddade. Regel-baserade kategori-förslag blir tomma.',
+      );
+    }
 
     const [aliases, products, unitMappings] = await Promise.all([
       this.prisma.receiptAlias.findMany({