Fehler: *Index out of bounds

Kontext:

([
  "NAME": "WWW",
  "DATA": "EXTRA=3.147.61.122[]&REQ=news2&GROUP=stufen&ARTICLE=4:1707476158",
  "HST": "127.0.0.1",
  "REQ": "www",
  "UDP": 54241,
])