TRPC. The module system cannot find the file

import { authRouter } from './auth';
import { router} from "~/server/trpc";


export const appRouter = router({
  auth: authRouter
});
export type AppRouter = typeof appRouter;

import { type APIEvent } from "@solidjs/start/server";
import { fetchRequestHandler } from "@trpc/server/adapters/fetch";
import {appRouter} from "~/server/routers/root";

const handler = (event: APIEvent) =>
  fetchRequestHandler({
    endpoint: "/api/trpc",
    req: event.request,
    router: appRouter,
    createContext: () => ({})
  });
export const GET = handler;
export const POST = handler;

{
    "compilerOptions": {
        "target": "ESNext",
        "module": "ESNext",
        "moduleResolution": "node",
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true,
        "jsx": "preserve",
        "jsxImportSource": "solid-js",
        "allowJs": true,
        "strict": true,
        "noEmit": true,
        "types": ["vinxi/client"],
        "isolatedModules": true,
        "paths": {
          "~/*": ["./src/*"]
        }
    }
}