From 9387680020ed890cf15300374ca57e1bdc7cdc39 Mon Sep 17 00:00:00 2001
From: Charles Bochet <charlesBochet@users.noreply.github.com>
Date: Fri, 28 Nov 2025 15:11:45 +0100
Subject: [PATCH] Rollback standard id removal on relation object creation
 (#16177)

---
 ...-field-metadatas-for-custom-object.util.ts | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/build-default-relation-flat-field-metadatas-for-custom-object.util.ts b/packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/build-default-relation-flat-field-metadatas-for-custom-object.util.ts
index 4434496778..9b639233e7 100644
--- a/packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/build-default-relation-flat-field-metadatas-for-custom-object.util.ts
+++ b/packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/build-default-relation-flat-field-metadatas-for-custom-object.util.ts
@@ -16,7 +16,10 @@ import {
 } from 'src/engine/metadata-modules/object-metadata/object-metadata.exception';
 import { buildDescriptionForRelationFieldMetadataOnFromField } from 'src/engine/metadata-modules/object-metadata/utils/build-description-for-relation-field-on-from-field.util';
 import { buildDescriptionForRelationFieldMetadataOnToField } from 'src/engine/metadata-modules/object-metadata/utils/build-description-for-relation-field-on-to-field.util';
-import { STANDARD_OBJECT_FIELD_IDS } from 'src/engine/workspace-manager/workspace-sync-metadata/constants/standard-field-ids';
+import {
+  CUSTOM_OBJECT_STANDARD_FIELD_IDS,
+  STANDARD_OBJECT_FIELD_IDS,
+} from 'src/engine/workspace-manager/workspace-sync-metadata/constants/standard-field-ids';
 import { STANDARD_OBJECT_ICONS } from 'src/engine/workspace-manager/workspace-sync-metadata/constants/standard-object-icons';
 import { createRelationDeterministicUuid } from 'src/engine/workspace-manager/workspace-sync-metadata/utils/create-deterministic-uuid.util';
 
@@ -36,6 +39,18 @@ const generateSourceFlatFieldMetadata = ({
     targetObjectLabelSingular: sourceFlatObjectMetadata.labelSingular,
   });
 
+  const standardId =
+    CUSTOM_OBJECT_STANDARD_FIELD_IDS[
+      targetFlatObjectMetadata.namePlural as keyof typeof CUSTOM_OBJECT_STANDARD_FIELD_IDS
+    ];
+
+  if (!isDefined(standardId)) {
+    throw new ObjectMetadataException(
+      `Standard field ID not found for target object ${targetFlatObjectMetadata.namePlural}`,
+      ObjectMetadataExceptionCode.INTERNAL_SERVER_ERROR,
+    );
+  }
+
   const createdAt = new Date();
   const sourceFieldMetadataId = v4();
   const targetFieldMetadataId = v4();
@@ -72,7 +87,7 @@ const generateSourceFlatFieldMetadata = ({
     settings: {
       relationType: RelationType.ONE_TO_MANY,
     },
-    standardId: null,
+    standardId,
     standardOverrides: null,
     type: FieldMetadataType.RELATION,
     universalIdentifier: sourceFieldMetadataId,