diff --git a/src/client/src/routes/+page.svelte b/src/client/src/routes/+page.svelte
index 2bca96f..e9e1376 100644
--- a/src/client/src/routes/+page.svelte
+++ b/src/client/src/routes/+page.svelte
@@ -10,7 +10,9 @@
   let selectedGroup = $state('');
 
   onMount(async () => {
-    [categories, groups] = await Promise.all([getCategories(), getGroups()]);
+    try {
+      [categories, groups] = await Promise.all([getCategories(), getGroups()]);
+    } catch { /* server may not be ready yet */ }
   });
 
   function handleSearch(e) {
diff --git a/src/client/src/routes/admin/+page.svelte b/src/client/src/routes/admin/+page.svelte
index 2b14f14..6ca60c5 100644
--- a/src/client/src/routes/admin/+page.svelte
+++ b/src/client/src/routes/admin/+page.svelte
@@ -7,8 +7,13 @@
   let syncMessage = $state('');
 
   onMount(async () => {
-    stores = await getStores();
-    loading = false;
+    try {
+      stores = await getStores();
+    } catch (err) {
+      console.error('Failed to load stores:', err);
+    } finally {
+      loading = false;
+    }
   });
 
   async function handleToggle(id) {
diff --git a/src/client/src/routes/admin/categories/+page.svelte b/src/client/src/routes/admin/categories/+page.svelte
index 04656ab..9395a47 100644
--- a/src/client/src/routes/admin/categories/+page.svelte
+++ b/src/client/src/routes/admin/categories/+page.svelte
@@ -16,8 +16,13 @@
   let editingCat = $state(null);
 
   onMount(async () => {
-    [categories, groups, stores] = await Promise.all([getCategories(), getGroups(), getStores()]);
-    loading = false;
+    try {
+      [categories, groups, stores] = await Promise.all([getCategories(), getGroups(), getStores()]);
+    } catch (err) {
+      console.error('Failed to load data:', err);
+    } finally {
+      loading = false;
+    }
   });
 
   async function handleAddCategory() {