diff --git a/furniture-3d-system/src/server/services/supply-chain-product-archive-category-scale-row.service.ts b/furniture-3d-system/src/server/services/supply-chain-product-archive-category-scale-row.service.ts
index 3b4c995f..136c71c1 100644
--- a/furniture-3d-system/src/server/services/supply-chain-product-archive-category-scale-row.service.ts
+++ b/furniture-3d-system/src/server/services/supply-chain-product-archive-category-scale-row.service.ts
@@ -201,7 +201,7 @@ export class SupplyChainProductArchiveCategoryScaleRowService {
   async create(input: {
     categoryL1: unknown
     categoryL2: unknown
-    categoryGroup: unknown
+    categoryGroup?: unknown
     scaleLabel: unknown
     performanceStart: unknown
     performanceEnd?: unknown
@@ -225,7 +225,7 @@ export class SupplyChainProductArchiveCategoryScaleRowService {
     id: string
     categoryL1: unknown
     categoryL2: unknown
-    categoryGroup: unknown
+    categoryGroup?: unknown
     scaleLabel: unknown
     performanceStart: unknown
     performanceEnd?: unknown