diff --git a/locale/pl.json b/locale/pl.json
index d9b0a3326..f32a2ed16 100644
--- a/locale/pl.json
+++ b/locale/pl.json
@@ -4093,7 +4093,7 @@
   },
   "src_dot_pages_dot_components_dot_PageDetailsPage_dot_2001551496": {
     "context": "page",
-    "string": "będzie widoczny od {data}"
+    "string": "będzie widoczny od {date}"
   },
   "src_dot_pages_dot_components_dot_PageDetailsPage_dot_643174786": {
     "context": "page label",
diff --git a/src/pages/components/PageDetailsPage/PageDetailsPage.tsx b/src/pages/components/PageDetailsPage/PageDetailsPage.tsx
index c8c5b04fd..102747e0d 100644
--- a/src/pages/components/PageDetailsPage/PageDetailsPage.tsx
+++ b/src/pages/components/PageDetailsPage/PageDetailsPage.tsx
@@ -66,8 +66,8 @@ const PageDetailsPage: React.FC<PageDetailsPageProps> = ({
   errors,
   page,
   pageTypes: pageTypeChoiceList,
-  referencePages = [],
-  referenceProducts = [],
+  referencePages,
+  referenceProducts,
   saveButtonBarState,
   selectedPageType,
   attributeValues,
diff --git a/src/pages/views/PageDetails.tsx b/src/pages/views/PageDetails.tsx
index 1d117bbf6..f3789f82a 100644
--- a/src/pages/views/PageDetails.tsx
+++ b/src/pages/views/PageDetails.tsx
@@ -213,7 +213,7 @@ export const PageDetails: React.FC<PageDetailsProps> = ({ id, params }) => {
         errors={pageUpdateOpts.data?.pageUpdate.errors || []}
         saveButtonBarState={pageUpdateOpts.status}
         page={pageDetails.data?.page}
-        attributeValues={attributeValues}
+        attributeValues={attributeValues || []}
         onBack={() => navigate(pageListUrl())}
         onRemove={() =>
           navigate(
@@ -227,8 +227,10 @@ export const PageDetails: React.FC<PageDetailsProps> = ({ id, params }) => {
           params.action === "assign-attribute-value" && params.id
         }
         onAssignReferencesClick={handleAssignAttributeReferenceClick}
-        referencePages={mapEdgesToItems(searchPagesOpts?.data?.search)}
-        referenceProducts={mapEdgesToItems(searchProductsOpts?.data?.search)}
+        referencePages={mapEdgesToItems(searchPagesOpts?.data?.search) || []}
+        referenceProducts={
+          mapEdgesToItems(searchProductsOpts?.data?.search) || []
+        }
         fetchReferencePages={searchPages}
         fetchMoreReferencePages={fetchMoreReferencePages}
         fetchReferenceProducts={searchProducts}
diff --git a/src/translations/components/TranslationsEntitiesList/TranslationsEntitiesList.tsx b/src/translations/components/TranslationsEntitiesList/TranslationsEntitiesList.tsx
index b8fb00900..5989a4701 100644
--- a/src/translations/components/TranslationsEntitiesList/TranslationsEntitiesList.tsx
+++ b/src/translations/components/TranslationsEntitiesList/TranslationsEntitiesList.tsx
@@ -102,7 +102,7 @@ const TranslationsEntitiesList: React.FC<TranslationsEntitiesListProps> = props
             >
               <TableCell>{entity?.name || <Skeleton />}</TableCell>
               <TableCell className={classes.textRight}>
-                {entity.completion !== null &&
+                {!!entity?.completion &&
                   maybe<React.ReactNode>(
                     () =>
                       intl.formatMessage(
diff --git a/src/translations/views/TranslationsEntities.tsx b/src/translations/views/TranslationsEntities.tsx
index 9ab62d533..16f07e353 100644
--- a/src/translations/views/TranslationsEntities.tsx
+++ b/src/translations/views/TranslationsEntities.tsx
@@ -143,7 +143,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "CategoryTranslatableContent" && {
                       completion: {
@@ -186,7 +186,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "ProductTranslatableContent" && {
                       completion: {
@@ -230,7 +230,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "CollectionTranslatableContent" && {
                       completion: {
@@ -274,7 +274,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "SaleTranslatableContent" && {
                       completion: {
@@ -313,7 +313,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "VoucherTranslatableContent" && {
                       completion: {
@@ -352,7 +352,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "PageTranslatableContent" && {
                       completion: {
@@ -391,7 +391,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "AttributeTranslatableContent" && {
                       completion: null,
@@ -426,7 +426,7 @@ const TranslationsEntities: React.FC<TranslationsEntitiesProps> = ({
             return (
               <TranslationsEntitiesList
                 disabled={loading}
-                entities={mapEdgesToItems(data?.translations).map(
+                entities={mapEdgesToItems(data?.translations)?.map(
                   node =>
                     node.__typename === "ShippingMethodTranslatableContent" && {
                       completion: {