diff --git a/supabase/migrations/20260310000000_fix_search_tags_object_error.sql b/supabase/migrations/20260310000000_fix_search_tags_object_error.sql
new file mode 100644
index 00000000..1c5368a5
--- /dev/null
+++ b/supabase/migrations/20260310000000_fix_search_tags_object_error.sql
@@ -0,0 +1,28 @@
+-- Fix search_tags function to handle documents where data->'tags' is not a JSON array
+-- This prevents "cannot extract elements from an object" errors
+CREATE OR REPLACE FUNCTION search_tags(search_query text)
+RETURNS TABLE (name text, document_count bigint) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT
+        LOWER(tag::text) as name,
+        COUNT(DISTINCT d.uri) as document_count
+    FROM (
+        SELECT uri, data
+        FROM "public"."documents"
+        WHERE jsonb_typeof(data->'tags') = 'array'
+    ) d,
+    jsonb_array_elements_text(d.data->'tags') as tag
+    WHERE
+        CASE
+            WHEN search_query = '' THEN true
+            ELSE LOWER(tag::text) LIKE '%' || search_query || '%'
+        END
+    GROUP BY
+        LOWER(tag::text)
+    ORDER BY
+        COUNT(DISTINCT d.uri) DESC,
+        LOWER(tag::text) ASC
+    LIMIT 20;
+END;
+$$ LANGUAGE plpgsql STABLE;