Network connection lost. trigger after calling the bind service response json()/text()...

Fetcher {} -> Response {
  cf: undefined,
  webSocket: null,
  url: 'http://127.0.0.1:53399/',
  redirected: false,
  ok: true,
  headers: Headers(2) {
    'content-length' => '9233',
    'content-type' => 'application/json',
    [immutable]: true
  },
  statusText: 'OK',
  status: 200,
  bodyUsed: false,
  body: ReadableStream {
    locked: false,
    [state]: 'readable',
    [supportsBYOB]: true,
    [length]: 9233n
  }
}
// Reading json() -> 
[mf:err] Error: Network connection lost.
[mf:inf] POST / 500 Internal Server Error (507ms)

Fetcher {} -> Response {
  cf: undefined,
  webSocket: null,
  url: 'http://127.0.0.1:53399/',
  redirected: false,
  ok: true,
  headers: Headers(2) {
    'content-length' => '9233',
    'content-type' => 'application/json',
    [immutable]: true
  },
  statusText: 'OK',
  status: 200,
  bodyUsed: false,
  body: ReadableStream {
    locked: false,
    [state]: 'readable',
    [supportsBYOB]: true,
    [length]: 9233n
  }
}
// Reading json() -> 
[mf:err] Error: Network connection lost.
[mf:inf] POST / 500 Internal Server Error (507ms)