Fehler: *Index out of bounds

Kontext:

([
  "NAME": "WWW",
  "REQ": "www",
  "HST": "127.0.0.1",
  "UDP": 44954,
  "DATA": "EXTRA=216.73.216.5[]&REQ=news2&GROUP=bekanntmachungen&ARTICLE=4:1737137408",
])