route masking crashing when using tanstck start

[thibaultdenis014]

Which project does this relate to?

Start

Describe the bug

Hey guys,

I am trying to follow the route masking documentation in a tanstack start project but I get a Could not find a client-side match for dehydrated match with id: /modal! error. This error only appears in a tanstack start project and not in a tanstack router.

Your Example Website or App

https://stackblitz.com/edit/tanstack-router-5zxpayxd?file=app%2Froutes%2Fmodal.tsx,app%2Froutes%2F__root.tsx,app%2Frouter.tsx&preset=node

Steps to Reproduce the Bug or Issue

• click the modal link
• refresh the page

Expected behavior

the page should show the modal dialog

Screenshots or Videos

Screencast.From.2025-01-08.11-19-43.webm

Platform

• OS: [nixos]
• Browser: [chrome]
• Version: [Version 131.0.6778.108 (Official Build) (64-bit)]

Additional context

No response