the error is below⨯ Failed to load next.config.js, see more info here https://nextjs.org/docs/messages/next-config-error
env.js is belowimport { createEnv } from "@t3-oss/env-nextjs";
NEXT_PUBLIC_.process.env as a regular object in the Next.js edge runtimes (e.g.build or dev with SKIP_ENV_VALIDATION to skip env validation. This is especiallySOME_VAR: z.string() andSOME_VAR='' will throw an error.