diff --git a/client/lib/aethex-database-adapter.ts b/client/lib/aethex-database-adapter.ts
index d6e587b4..a12595a0 100644
--- a/client/lib/aethex-database-adapter.ts
+++ b/client/lib/aethex-database-adapter.ts
@@ -130,9 +130,26 @@ export const aethexUserService = {
       }
 
       if (isTableMissing(error)) {
-        throw new Error(
-          'Supabase table "user_profiles" is missing. Please run the required migrations.',
+        console.warn(
+          'Supabase table "user_profiles" is missing. Falling back to local demo profile.',
         );
+        const fallback: AethexUserProfile = {
+          id: user.id,
+          username: user.email?.split("@")[0] || `user_${Date.now()}`,
+          full_name: user.email?.split("@")[0] || "user",
+          email: user.email,
+          user_type: "community_member" as any,
+          experience_level: "beginner" as any,
+          level: 1,
+          total_xp: 0,
+          loyalty_points: 0,
+          created_at: new Date().toISOString(),
+          updated_at: new Date().toISOString(),
+        } as AethexUserProfile;
+        try {
+          localStorage.setItem(`demo_profile_${user.id}`, JSON.stringify(fallback));
+        } catch {}
+        return fallback;
       }
 
       throw error;