CORS errors on my site
I have made a backend for website which uses BetterAuth and I am getting cors errors tho i have added my frontend link on backend trustedOrigins I dont know what I am doing wrong

export const auth = betterAuth({
database: mongodbAdapter(dbInstance),
emailAndPassword: {
enabled: true,
requireEmailVerification: false,
minPasswordLength: 8,
},
trustedOrigins: [
"https://planpal-ashen.vercel.app",
"http://localhost:8080"
],
secret: AUTH_SECRET,
baseURL: BASE_URL,
cookies: {
sameSite: "none",
secure: true,
},