why webbot hangs on linux...

Hi,
	I'm running webbot on linux to crawl from the web, however it
often hangs with such info:

	HTTChunk.c:55 Chunk decoder received illigal chunk size: 2¸2üQ°*“'
	Abort (core dumped)

	Is this a bug of www-lib or webbot? Any idea how to fix it?

Thanks much,
Fengyun