Error running the exported Web Handler

I’m using ElysiaJS and I have an enfpoint that works locally but not on vercel.

On vercel I’m getting the following error in logs:

[error] Error running the exported Web Handler: RangeError: init["status"] must be in the range of 200 to 599, inclusive.
    at initializeResponse (node:internal/deps/undici/undici:9346:15)
    at new Response (node:internal/deps/undici/undici:9138:9)
    at eval (eval at composeErrorHandler (file:///var/task/index.js:550:131), <anonymous>:22:54)
    at handle (eval at composeHandler (file:///var/task/index.js:463:52), <anonymous>:18:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)