Upgrading from 1.131.44 to 1.131.50 broke build

[johannesbremer]

Which project does this relate to?

Router

Describe the bug

The issue occurs in my publicly available repo.
When I upgrade from 1.131.44 to 1.131.50, I can no longer run vite build.

Your Example Website or App

https://github.com/johannesbremer/praxisplaner

Steps to Reproduce the Bug or Issue

git clone git@github.com:johannesbremer/praxisplaner.git
pnpm i
pnpm build // This works on 1.131.44
pnpm up
pnpm build // This no longer works on 1.131.50

Expected behavior

As a user, I expect to be able to build my project.

Screenshots or Videos

No response

Platform

• Router / Start Version: 1.131.50
• OS: macOS
• Bundler: vite
• Bundler Version: 7.1.7

Additional context

> praxisplaner@0.0.1 gen:convex /Users/johannes/Code/praxisplaner
> pnpm exec convex codegen

Running TypeScript typecheck…
vite v7.1.7 building for production...
Generated route tree in 89ms
✓ 26 modules transformed.
✗ Build failed in 222ms
error during build:
[commonjs--resolver] Cannot read properties of undefined (reading 'find')
file: /Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-client-core@1.132.2/node_modules/@tanstack/start-client-core/dist/esm/createServerFn.js
    at Object.handleCreateServerFnCallExpression [as handleCallExpression] (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:168:98)
    at file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:111:42
    at Array.forEach (<anonymous>)
    at file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:110:46
    at Array.forEach (<anonymous>)
    at enter (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:109:26)
    at NodePath._call (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/path/context.js:49:20)
    at NodePath.call (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/path/context.js:39:18)
    at NodePath.visit (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/path/context.js:88:31)
    at TraversalContext.visitQueue (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/context.js:90:16)
    at TraversalContext.visitSingle (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/context.js:66:19)
    at TraversalContext.visit (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/context.js:113:19)
    at traverseNode (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/traverse-node.js:131:17)
    at Module.traverse (/Users/johannes/Code/praxisplaner/node_modules/.pnpm/@babel+traverse@7.28.4/node_modules/@babel/traverse/lib/index.js:53:34)
    at compileStartOutput (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:11:11)
    at transformCode (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/start-compiler-plugin.js:64:20)
    at Object.handler (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/start-compiler-plugin.js:46:16)
    at Object.handler (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/vite@7.1.7_@types+node@24.2.1_jiti@2.6.0_lightningcss@1.30.1_terser@5.44.0_tsx@4.20.5_yaml@2.8.1/node_modules/vite/dist/node/chunks/dep-Bm2ujbhY.js:34051:13)
    at file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/rollup@4.44.2/node_modules/rollup/dist/es/shared/node-entry.js:22276:40
 ELIFECYCLE  Command failed with exit code 1.

[codegdo]

Hi there,

You need to change on router.tsx line 21. createRouter() to getRouter(). Try again.

Thanks

[schiller-manuel]

you have different versions installed

1.132.2

and

1.131.50

file: /Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-client-core@1.132.2/node_modules/@tanstack/start-client-core/dist/esm/createServerFn.js
    at Object.handleCreateServerFnCallExpression [as handleCallExpression] (file:///Users/johannes/Code/praxisplaner/node_modules/.pnpm/@tanstack+start-plugin-core@1.131.50_@netlify+blobs@9.1.2_@tanstack+react-router@1.132._c5b4679db8bf547b21fc6efed7623117/node_modules/@tanstack/start-plugin-core/dist/esm/compilers.js:168:98

for upgrading instruction to Start RC (1.132) see #2863 (comment)

[johannesbremer]

you have different versions installed

Sorry about that. I was looking at the version of the plugin.

Thank you for the quick responses and pointing me to the solution.
This resolved my issue.