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Cannot read properties of undefined (reading 'substring')

선생님 api/auth/signin 으로 가면 해당 에러가 나옵니 다

질문&답변

Cannot read properties of undefined (reading 'substring')

import NextAuth from "next-auth"; import CredentialsProvider from "next-auth/providers/credentials"; export const { handlers: { GET, POST }, auth, signIn, } = NextAuth({ pages: { signIn: "/i/flow/login", newUser: "/i/flow/signup", }, providers: [ CredentialsProvider({ name: "Credentials", credentials: { username: { label: "Username", type: "text", placeholder: "Username" }, password: { label: "Password", type: "password", placeholder: "Password", }, }, async authorize(credentials) { const authResponse = await fetch( `${process.env.NEXT_PUBLIC_BASE_URL}/api/login`, { method: "POST", headers: { "Content-Type": "application/json", }, body: JSON.stringify({ id: credentials?.username, password: credentials?.password, }), } ); if (!authResponse.ok) { return null; } const user = await authResponse.json(); return user; }, }), ], });

질문&답변

Cannot read properties of undefined (reading 'substring')

middleware가 보여서 남겨봅니다

질문&답변

Cannot read properties of undefined (reading 'substring')

고민있어요

센세.....강의에 오류가 너무 많이 나는데 어떻게 해야 합니까??

질문&답변

비디오 상세페이지

선생님 어제 서버 문제였던거 같아요 오늘은 잘 되네요