diff --git a/services/web/frontend/extracted-translations.json b/services/web/frontend/extracted-translations.json
index 75aed5fc31..ccfc5a6662 100644
--- a/services/web/frontend/extracted-translations.json
+++ b/services/web/frontend/extracted-translations.json
@@ -616,6 +616,7 @@
   "entry_plural": "",
   "equation_preview": "",
   "error": "",
+  "error_loading_references": "",
   "error_opening_document": "",
   "error_opening_document_detail": "",
   "error_performing_request": "",
diff --git a/services/web/locales/en.json b/services/web/locales/en.json
index 4dda8d4e5d..02e1e4f665 100644
--- a/services/web/locales/en.json
+++ b/services/web/locales/en.json
@@ -807,6 +807,7 @@
   "equation_preview": "Equation preview",
   "error": "Error",
   "error_assist": "Error Assist",
+  "error_loading_references": "References couldn’t be loaded. Refresh the page to try again.",
   "error_opening_document": "Error opening document",
   "error_opening_document_detail": "Sorry, something went wrong opening this document. Please try again.",
   "error_performing_request": "An error has occurred while performing your request.",
diff --git a/tools/migrations/20260430120000_update_libraryReferences_userId_updatedAt_index.mjs b/tools/migrations/20260430120000_update_libraryReferences_userId_updatedAt_index.mjs
new file mode 100644
index 0000000000..f49e06cbd3
--- /dev/null
+++ b/tools/migrations/20260430120000_update_libraryReferences_userId_updatedAt_index.mjs
@@ -0,0 +1,31 @@
+import Helpers from './lib/helpers.mjs'
+
+const tags = ['saas']
+
+const oldIndex = {
+  key: { userId: 1, updatedAt: 1 },
+  name: 'userId_1_updatedAt_1',
+}
+
+const newIndex = {
+  key: { userId: 1, updatedAt: 1, _id: 1 },
+  name: 'userId_1_updatedAt_1__id_1',
+}
+
+const migrate = async client => {
+  const { db } = client
+  await Helpers.addIndexesToCollection(db.libraryReferences, [newIndex])
+  await Helpers.dropIndexesFromCollection(db.libraryReferences, [oldIndex])
+}
+
+const rollback = async client => {
+  const { db } = client
+  await Helpers.addIndexesToCollection(db.libraryReferences, [oldIndex])
+  await Helpers.dropIndexesFromCollection(db.libraryReferences, [newIndex])
+}
+
+export default {
+  tags,
+  migrate,
+  rollback,
+}