Fehler: *Index out of bounds

Kontext:

([
  "NAME": "WWW",
  "DATA": "EXTRA=18.117.108.171[]&REQ=news2&GROUP=stufen&ARTICLE=1:1707317452",
  "HST": "127.0.0.1",
  "REQ": "www",
  "UDP": 46625,
])