WARNING: Automatic signature extraction failed: Traceback (most recent call last):

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 957, in _decrypt_signature
video_id, player_url, len(s)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 356, in _extract_signature_function
res = self._parse_sig_js(code)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 424, in _parse_sig_js
u'Initial JS player signature function name')

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 356, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type
youtube-dl -U
to update.
Traceback (most recent call last):

 "/usr/share/w3af/w3af/core/ui/gui/tabs/exploit/vuln_list.py", line 276, in _launch_exploit
expl.exploit(vuln_id_list)

 "/usr/share/w3af/w3af/core/controllers/plugins/attack_plugin.py", line 198, in exploit
s = self._generate_shell(vuln)

 "/usr/share/w3af/w3af/plugins/attack/sqlmap.py", line 77, in _generate_shell
if self._verify_vuln(vuln_obj):

 "/usr/share/w3af/w3af/plugins/attack/sqlmap.py", line 106, in _verify_vuln
if sqlmap.is_vulnerable():

 "/usr/share/w3af/w3af/plugins/attack/db/sqlmap_wrapper.py", line 98, in is_vulnerable
raise NotImplementedError(fmt % (full_command, stdout))NotImplementedError: Unexpected answer found in sqlmap output for command "python sqlmap.py --batch --disable-coloring --proxy=http://127.0.0.1:35714/ --batch --url=http://www.antoniocammarana.it/?s=42"%20AND%20"42"="43 --data=s=": "