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[Runtime] Export APIError doesn't exist in target module #1326

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opened 2026-03-13 08:32:49 -05:00 by GiteaMirror · 4 comments
GiteaMirror commented 2026-03-13 08:32:49 -05:00
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Originally created by @jpainam on GitHub (Jun 8, 2025).

This happens only at runtime.

Error: ./packages/auth/src/index.ts:4:1
Export APIError doesn't exist in target module
  2 | import type { BetterAuthOptions } from "better-auth";
  3 | import { expo } from "@better-auth/expo";
> 4 | import { APIError, betterAuth } from "better-auth";
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  5 | import { prismaAdapter } from "better-auth/adapters/prisma";
  6 | import { nextCookies } from "better-auth/next-js";
  7 | import { apiKey, oAuthProxy, username } from "better-auth/plugins";

The export APIError was not found in module [project]/node_modules/better-auth/dist/index.mjs [app-route] (ecmascript) <exports>.
Did you mean to import createLogger?
All exports of the module are statically known (It doesn't have dynamic exports). So it's known statically that the requested export doesn't exist.
    at BuildError (http://localhost:3000/_next/static/chunks/%5Broot-of-the-server%5D__e2c08166._.js:17416:41)
    at react-stack-bottom-frame (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:12388:24)
    at renderWithHooks (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:3402:24)
    at updateFunctionComponent (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:4726:21)
    at beginWork (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:5358:24)
    at runWithFiberInDEV (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:631:20)
    at performUnitOfWork (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7947:97)
    at workLoopSync (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7840:40)
    at renderRootSync (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7823:13)
    at performWorkOnRoot (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7558:211)
    at performWorkOnRootViaSchedulerTask (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:8386:9)
    at MessagePort.performWorkUntilDeadline (http://localhost:3000/_next/static/chunks/node_modules_a51498a5._.js:1486:64)

I'm using it here

/* eslint-disable @typescript-eslint/no-unused-vars */
import type { BetterAuthOptions } from "better-auth";
import { APIError, betterAuth } from "better-auth";
import { prismaAdapter } from "better-auth/adapters/prisma";
import { nextCookies } from "better-auth/next-js";
import { apiKey, oAuthProxy, username } from "better-auth/plugins";


/* eslint-disable @typescript-eslint/require-await */
export function initAuth(options: {
  baseUrl: string;
  productionUrl: string;
  secret: string | undefined;
}) {
  const config = {
    database: prismaAdapter(db, {
      provider: "postgresql",
    }),
      deleteUser: {
        enabled: true,
        beforeDelete: async (user, request) => {
          if (user.email.includes("admin")) {
            throw new APIError("BAD_REQUEST", {
              message: "Admin accounts can't be deleted",
            });
          }
        },
      },
    },
    baseURL: options.baseUrl,
    secret: options.secret,
    },
    plugins: [
      username(),
      apiKey({
        enableMetadata: true,
      }),
      nextCookies(),
    ],
  } satisfies BetterAuthOptions;

  return betterAuth(config);
}

export type Auth = ReturnType<typeof initAuth>;
export type Session = Auth["$Infer"]["Session"];
Originally created by @jpainam on GitHub (Jun 8, 2025). This happens only at runtime. ```tsx Error: ./packages/auth/src/index.ts:4:1 Export APIError doesn't exist in target module   2 | import type { BetterAuthOptions } from "better-auth";   3 | import { expo } from "@better-auth/expo"; > 4 | import { APIError, betterAuth } from "better-auth";   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   5 | import { prismaAdapter } from "better-auth/adapters/prisma";   6 | import { nextCookies } from "better-auth/next-js";   7 | import { apiKey, oAuthProxy, username } from "better-auth/plugins"; The export APIError was not found in module [project]/node_modules/better-auth/dist/index.mjs [app-route] (ecmascript) <exports>. Did you mean to import createLogger? All exports of the module are statically known (It doesn't have dynamic exports). So it's known statically that the requested export doesn't exist. at BuildError (http://localhost:3000/_next/static/chunks/%5Broot-of-the-server%5D__e2c08166._.js:17416:41) at react-stack-bottom-frame (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:12388:24) at renderWithHooks (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:3402:24) at updateFunctionComponent (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:4726:21) at beginWork (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:5358:24) at runWithFiberInDEV (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:631:20) at performUnitOfWork (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7947:97) at workLoopSync (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7840:40) at renderRootSync (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7823:13) at performWorkOnRoot (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:7558:211) at performWorkOnRootViaSchedulerTask (http://localhost:3000/_next/static/chunks/node_modules_react-dom_82bb97c6._.js:8386:9) at MessagePort.performWorkUntilDeadline (http://localhost:3000/_next/static/chunks/node_modules_a51498a5._.js:1486:64) ``` I'm using it here ```tsx /* eslint-disable @typescript-eslint/no-unused-vars */ import type { BetterAuthOptions } from "better-auth"; import { APIError, betterAuth } from "better-auth"; import { prismaAdapter } from "better-auth/adapters/prisma"; import { nextCookies } from "better-auth/next-js"; import { apiKey, oAuthProxy, username } from "better-auth/plugins"; /* eslint-disable @typescript-eslint/require-await */ export function initAuth(options: { baseUrl: string; productionUrl: string; secret: string | undefined; }) { const config = { database: prismaAdapter(db, { provider: "postgresql", }), deleteUser: { enabled: true, beforeDelete: async (user, request) => { if (user.email.includes("admin")) { throw new APIError("BAD_REQUEST", { message: "Admin accounts can't be deleted", }); } }, }, }, baseURL: options.baseUrl, secret: options.secret, }, plugins: [ username(), apiKey({ enableMetadata: true, }), nextCookies(), ], } satisfies BetterAuthOptions; return betterAuth(config); } export type Auth = ReturnType<typeof initAuth>; export type Session = Auth["$Infer"]["Session"]; ```
GiteaMirror commented 2026-03-13 08:32:50 -05:00
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@Kinfe123 commented on GitHub (Jun 9, 2025):

which version are you actually using ?

@Kinfe123 commented on GitHub (Jun 9, 2025): which version are you actually using ?
GiteaMirror commented 2026-03-13 08:32:50 -05:00
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@jpainam commented on GitHub (Jun 9, 2025):

which version are you actually using ?

"better-auth": "1.2.8",

@jpainam commented on GitHub (Jun 9, 2025): > which version are you actually using ? `"better-auth": "1.2.8",`
GiteaMirror commented 2026-03-13 08:32:51 -05:00
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@diegode-tsx commented on GitHub (Jun 9, 2025):

I was using it in a server action and had the same problem, but importing from the api path fixed it:

import { APIError } from 'better-auth/api';

@diegode-tsx commented on GitHub (Jun 9, 2025): I was using it in a server action and had the same problem, but importing from the api path fixed it: `import { APIError } from 'better-auth/api';`
GiteaMirror commented 2026-03-13 08:32:51 -05:00
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@Kinfe123 commented on GitHub (Jun 9, 2025):

yeah import from better-auth/api

@Kinfe123 commented on GitHub (Jun 9, 2025): yeah import from `better-auth/api`
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Reference: github-starred/better-auth#1326
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