Automatic signature extraction failed: Traceback

[Rush2088]

Hi, I'm getting an error message trying to download a youtube playlist. Please help

following is the verbose output
C:\Users\sample>youtube-dl --get-title https://www.youtube.com/playlist?list=RDPXQcpqKstQE --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--get-title', 'https://www.youtube.com/playlist?list=RDPXQcpqKstQE', '--verbose']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.5 - Windows-7-6.1.7601-SP1
[debug] Proxy map: {}
Manamali - Iraj
Bambara Nade (Nihanda Gamane) - Bachi Susan & Shanika Madumali [Official Video]
WARNING: Writing cache to u'C:\SPB_Data/.cache\youtube-dl\youtube-sigfuncs\js_vfl5aDZwb_84.json' failed: Traceback (
most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 391, in _extract_signature_function
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'go'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'go'
; 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):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'go'
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 516, in extract_info
File "youtube_dl\extractor\common.pyo", line 168, in extract
File "youtube_dl\extractor\youtube.pyo", line 1249, in _real_extract
File "youtube_dl\extractor\youtube.pyo", line 887, in _decrypt_signature
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'go'
; 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.

[jaimeMF]

You are using an outdated version, run youtube-dl -U to upgrade.