Per that chat message, that error does not always manifest.

Total Upload: 1810.83 KiB / gzip: 347.18 KiB
Uploaded dev-api-internal (2.44 sec)

✘ [ERROR] A request to the Cloudflare API (/accounts/2c/workers/queues/dev-queue/consumers/api-backend) failed.

  workers.api.error.queue_handler_missing [code: 11001]

Total Upload: 1810.83 KiB / gzip: 347.18 KiB
Uploaded dev-api-internal (2.44 sec)

✘ [ERROR] A request to the Cloudflare API (/accounts/2c/workers/queues/dev-queue/consumers/api-backend) failed.

  workers.api.error.queue_handler_missing [code: 11001]

export default {
  fetch(request: Request, env: Env, ctx: ExecutionContext) {
    // Set env variables
    Object.keys(env).forEach((variable) => {
      process.env[variable] ??= `${env[variable]}`;
    })

    return fetch(request, env, ctx)
  },
  async queue(batch: MessageBatch<any>, env: Env): Promise<void> {
    let messages = JSON.stringify(batch.messages);
    console.log(`consumed from our queue: ${messages}`);
  },
}

export default {
  fetch(request: Request, env: Env, ctx: ExecutionContext) {
    // Set env variables
    Object.keys(env).forEach((variable) => {
      process.env[variable] ??= `${env[variable]}`;
    })

    return fetch(request, env, ctx)
  },
  async queue(batch: MessageBatch<any>, env: Env): Promise<void> {
    let messages = JSON.stringify(batch.messages);
    console.log(`consumed from our queue: ${messages}`);
  },
}