# Using express in `/server/middleware` causes 'Cannot read property 'content-type' of undefined'
Cannot read properties of undefined (reading 'content-type') using express js
3.xnitroupstream⛔️ can be closed
Api endpoint : throw error always response with content-type = text/html
3.xpending triagenitro
[nuxt] [request error] [unhandled] [500] Cannot read properties of undefined (reading 'modules')
3.xpending triagenitroupstream-bug
Cannot read properties of undefined (reading 'replace')
pending triagewindowsneeds reproduction
Nuxt 3 one tier setup breaks after version 3.0.0-27375411.b38e394
3.xpending triage