Build fails in Angular SSR application with route parameters

[bampakoa]

Command

build

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

I have added Angular SSR in an existing Angular app with routing enabled and when I run ng build I get the following error:

The 'products/:id' route uses prerendering and includes parameters, but 'getPrerenderParams' is missing. Please define 'getPrerenderParams' function for this route in your server routing configuration or specify a different 'renderMode'.

Minimal Reproduction

1. Create a new Angular CLI 19 application
2. Create a route in the app.routes.ts file with parameter
3. Run ng add @angular/ssr
4. Run ng build

Exception or Error

Your Environment

Angular CLI: 19.0.0
Node: 22.11.0
Package Manager: npm 10.9.0
OS: win32 x64

Angular:
...

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.1900.0 (cli-only)
@angular-devkit/core         19.0.0 (cli-only)
@angular-devkit/schematics   19.0.0 (cli-only)
@schematics/angular          19.0.0 (cli-only)

Anything else relevant?

Please note that I answered No to the following question when installing SSR, which is the default value:

Would you like to use the Server Routing and App Engine APIs (Developer Preview) for this server application?

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