docling.exceptions.ConversionError: File format not allowed: 20250218

[zen37]

# --------------------------------------------------------------
# Basic HTML extraction
# --------------------------------------------------------------

url = "https://www.cc.com/api/more/tvschedule/20250218"
# url = "https://en.wikipedia.org/wiki/Duck"
result = converter.convert(url)

document = result.document
print(document)

........./|venv/lib/python3.12/site-packages/docling/document_converter.py", line 315, in _process_document
    raise ConversionError(error_message)
docling.exceptions.ConversionError: File format not allowed: 20250218

What am I doing wrong?