# serverMiddleware option in nuxt.config errors with `Could not load virtual:#server-middleware`
[nuxt] [request error] [unhandled] [500] Cannot read properties of undefined (reading 'modules')
3.xpending triagenitroupstream-bug
Nuxt 3 one tier setup breaks after version 3.0.0-27375411.b38e394
3.xpending triage
Error 500 when building Nuxt 3.12.4 after upgrading from 2.17.3
pending triageneeds reproduction
Error server when using browser utilities in middleware
3.xpending triage