Trying to connect kysely-neon with Better Auth but failed.

import { betterAuth } from "better-auth";
import { Kysely } from "kysely";
import { NeonHTTPDialect } from "kysely-neon";
import { env } from "$env/dynamic/private";

const db = new Kysely({
    dialect: new NeonHTTPDialect({
        connectionString: env.DATABASE_URL
    })
})

export const auth = betterAuth({
    database: db
});

npx @better-auth/cli

node:internal/process/promises:394
    triggerUncaughtException(err, true /* fromPromise */);
    ^

[BetterAuthError: Failed to initialize database adapter] {
  cause: undefined
}

Node.js v22.18.0