diff --git a/api/src/services/migration.service.ts b/api/src/services/migration.service.ts
index 06acc564e..6147fdd58 100644
--- a/api/src/services/migration.service.ts
+++ b/api/src/services/migration.service.ts
@@ -230,7 +230,7 @@ const startTestMigration = async (req: Request): Promise<any> => {
       case CMS.SITECORE_V9:
       case CMS.SITECORE_V10: {
         if (packagePath) {
-          await siteCoreService?.createEntry({ packagePath, contentTypes, master_locale: project?.stackDetails?.master_locale, destinationStackId: project?.current_test_stack_id, projectId, keyMapper: project?.mapperKey, project });
+          await siteCoreService?.createEntry({ packagePath, contentTypes, master_locale: project?.stackDetails?.master_locale, destinationStackId: project?.current_test_stack_id, projectId, keyMapper: project?.mapperKeys, project });
           await siteCoreService?.createLocale(req, project?.current_test_stack_id, projectId, project);
           await siteCoreService?.createVersionFile(project?.current_test_stack_id);
         }
@@ -417,18 +417,18 @@ const getLogs = async (req: Request): Promise<any> => {
  */
 export const createSourceLocales = async (req: Request) => {
 
-  const projectId = req.params.projectId;
-  const locales = req.body.locale
+  const projectId = req?.params?.projectId;
+  const locales = req?.body?.locale;
+  console.info("🚀 ~ createSourceLocales ~ locales:", locales);
 
   try {
     // Find the project with the specified projectId
     await ProjectModelLowdb?.read?.();
     const index = ProjectModelLowdb?.chain?.get?.("projects")?.findIndex?.({ id: projectId })?.value?.();
-    if (index > -1) {
+    if (typeof index === "number" && index > -1) {
       ProjectModelLowdb?.update?.((data: any) => {
         data.projects[index].source_locales = locales;
       });
-      // Write back the updated projects
     } else {
       logger.error(`Project with ID: ${projectId} not found`, {
         status: HTTP_CODES?.NOT_FOUND,
diff --git a/api/src/utils/content-type-creator.utils.ts b/api/src/utils/content-type-creator.utils.ts
index 664240182..e00b14c14 100644
--- a/api/src/utils/content-type-creator.utils.ts
+++ b/api/src/utils/content-type-creator.utils.ts
@@ -672,6 +672,9 @@ const mergeTwoCts = async (ct: any, mergeCts: any) => {
     ...ct,
     title: mergeCts?.title,
     uid: mergeCts?.uid,
+    options: {
+      "singleton": false,
+    }
   }
   for await (const field of ctData?.schema ?? []) {
     if (field?.data_type === 'group') {
diff --git a/upload-api/migration-contentful/libs/contentTypeMapper.js b/upload-api/migration-contentful/libs/contentTypeMapper.js
index 42966b228..5327948ed 100644
--- a/upload-api/migration-contentful/libs/contentTypeMapper.js
+++ b/upload-api/migration-contentful/libs/contentTypeMapper.js
@@ -100,13 +100,14 @@ const extractAdvancedFields = (
  * // Outputs an object containing the field configuration for Contentstack and backup fields
  */
 const createFieldObject = (item, contentstackFieldType, backupFieldType, referenceFields = []) => ({
-  uid: item.id,
-  otherCmsField: item.name,
-  otherCmsType: item.widgetId,
-  contentstackField: item.name,
-  contentstackFieldUid: uidCorrector(item.id),
+  uid: item?.id,
+  otherCmsField: item?.name,
+  otherCmsType: item?.widgetId,
+  contentstackField: item?.name,
+  contentstackFieldUid: uidCorrector(item?.id),
   contentstackFieldType: contentstackFieldType,
   backupFieldType: backupFieldType,
+  backupFieldUid: uidCorrector(item?.id),
   advanced: extractAdvancedFields(item, referenceFields, contentstackFieldType, backupFieldType)
 });
 
diff --git a/upload-api/migration-contentful/libs/createInitialMapper.js b/upload-api/migration-contentful/libs/createInitialMapper.js
index 173b311d7..77b6a986b 100644
--- a/upload-api/migration-contentful/libs/createInitialMapper.js
+++ b/upload-api/migration-contentful/libs/createInitialMapper.js
@@ -88,6 +88,7 @@ const createInitialMapper = async () => {
       const uidTitle = [
         {
           uid: 'title',
+          backupFieldUid: 'title',
           otherCmsField: 'title',
           otherCmsType: 'text',
           contentstackField: 'title',
@@ -99,6 +100,7 @@ const createInitialMapper = async () => {
         {
           uid: 'url',
           otherCmsField: 'url',
+          backupFieldUid: 'url',
           otherCmsType: 'text',
           contentstackField: 'Url',
           contentstackFieldUid: 'url',
diff --git a/upload-api/src/controllers/sitecore/index.ts b/upload-api/src/controllers/sitecore/index.ts
index 266535f42..a46dce7de 100644
--- a/upload-api/src/controllers/sitecore/index.ts
+++ b/upload-api/src/controllers/sitecore/index.ts
@@ -56,29 +56,26 @@ const createSitecoreMapper = async (filePath: string = "", projectId: string | s
           status: HTTP_CODES?.OK,
           message: HTTP_TEXTS?.MAPPER_SAVED,
         });
+        const mapperConfig = {
+          method: 'post',
+          maxBodyLength: Infinity,
+          url: `${process.env.NODE_BACKEND_API}/v2/migration/localeMapper/${projectId}`,
+          headers: {
+            app_token,
+            'Content-Type': 'application/json'
+          },
+          data: {
+            locale: Array?.from?.(localeData) ?? []
+          },
+        };
+        const mapRes = await axios.request(mapperConfig);
+        if (mapRes?.status == 200) {
+          logger.info('Legacy CMS', {
+            status: HTTP_CODES?.OK,
+            message: HTTP_TEXTS?.LOCALE_SAVED,
+          });
+        }
       }
-
-      const mapperConfig = {
-        method: 'post',
-        maxBodyLength: Infinity,
-        url: `${process.env.NODE_BACKEND_API}/v2/migration/localeMapper/${projectId}`,
-        headers: {
-          app_token,
-          'Content-Type': 'application/json'
-        },
-        data: {
-          locale: Array?.from?.(localeData) ?? []
-        },
-      };
-
-      const mapRes = await axios.request(mapperConfig)
-      if (mapRes?.status == 200) {
-        logger.info('Legacy CMS', {
-          status: HTTP_CODES?.OK,
-          message: HTTP_TEXTS?.LOCALE_SAVED,
-        });
-      }
-
     }
   } catch (err: any) {
     console.error("🚀 ~ createSitecoreMapper ~ err:", err?.response?.data ?? err)