there is no unique constraint matching given keys for referenced table "users"

PostgresError: there is no unique constraint matching given keys for referenced table "users"
 code: "42830"

import { pgTable, text, timestamp } from "drizzle-orm/pg-core";
import { cuid2 } from "drizzle-cuid2/postgres";
import { relations } from "drizzle-orm";

export const users = pgTable("users", {
  id: cuid2("id").unique().defaultRandom().primaryKey(),
  userId: text("user_id").unique().notNull(),
  name: text("name").notNull(),
  email: text("email").notNull(),

  createdAt: timestamp("created_at", { mode: "date" }).defaultNow(),
  updatedAt: timestamp("updated_at", { mode: "date", precision: 3 }).$onUpdate(
    () => new Date()
  ),
});

export const notes = pgTable("notes", {
  id: cuid2("id").defaultRandom().primaryKey(),
  userId: text("user_id")
    .references(() => users.userId, {
      onDelete: "cascade",
    })
    .unique()
    .notNull(),
  title: text("title").notNull(),
  content: text("content"),
  color: text("color").default("bg-gray-200"),

  createdAt: timestamp("created_at", { mode: "date" }).defaultNow(),
  updatedAt: timestamp("updated_at", { mode: "date", precision: 3 }).$onUpdate(
    () => new Date()
  ),
});

export const usersRelations = relations(users, ({ many }) => ({
  notes: many(notes),
}));

export const notesRelations = relations(notes, ({ one }) => ({
  user: one(users, {
    fields: [notes.userId],
    references: [users.userId],
  }),
}));