Encountering an unexpected token error in Vercel during deployment, even though the code runs smoothly in the

I'm facing an issue with a SyntaxError: Unexpected token '??='. I am not sure how to resolve it, so any help would be greatly appreciated. Thank you in advance.


SyntaxError: Unexpected token '??='
    at wrapSafe (internal/modules/cjs/loader.js:1029:16)
    at Module._compile (internal/modules/cjs/loader.js:1078:27)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1143:10)
    at Module.load (internal/modules/cjs/loader.js:979:32)
    at Function.Module._load (internal/modules/cjs/loader.js:819:12)
    at Module.require (internal/modules/cjs/loader.js:1003:19)
    at require (internal/modules/cjs/helpers.js:107:18)
    at Object.<anonymous> (/vercel/path0/node_modules/next/dist/telemetry/post-payload.js:17:20)
    at Module._compile (internal/modules/cjs/loader.js:1114:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1143:10)
Error: Command "npm run build" exited with 1
Deployment completed
BUILD_UTILS_SPAWN_1: Command "npm run build" exited with 1
javascriptnext.jsdeploymentvercel

Answer №2

After some troubleshooting, I discovered that the issue was with the version of next.js. I decided to downgrade it and now everything is functioning correctly.

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