lynda returned error: Session has expired

[philberndt]

When downloading using a batch file, I get the error "lynda returned error: Session has expired" every time it starts downloading from the second url in the list, it usually happens in the first or second video.

ERROR: lynda returned error: Session has expired
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 663, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 290, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/lynda.py", line 126, in _real_extract
    'lynda returned error: %s' % video['Message'], expected=True)
ExtractorError: lynda returned error: Session has expired

[dstftw]

Post the full output of youtube-dl when run with --verbose option.

[philberndt]

youtube-dl -u PRIVATE -p PRIVATE --batch-file lynda.txt -o '~/Desktop/Lynda/%(playlist_title)s/%(playlt_index)s - %(title)s.%(ext)s' --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-u', u'PRIVATE', u'-p', u'PRIVATE', u'--batch-file', u'lynda.txt', u'-o', u'~/Desktop/Lynda/%(playlist_title)s/%(playlt_index)s - %(title)s.%(ext)s', u'--verbose']
[debug] Batch file urls: [u'http://www.lynda.com/Instagram-tutorials/Creative-Spark-Lauren-Lemon-Creative-Portrait-Photographer/101506-2.html', u'http://www.lynda.com/iPhoto-tutorials/Enhancing-Photos-iPhoto/115961-2.html', u'http://www.lynda.com/Lightroom-tutorials/Enhancing-Portrait-Young-Woman-Lightroom/141503-2.html', u'http://www.lynda.com/Lightroom-tutorials/Photographing-Assembling-Lunar-Eclipse-Composite/171766-2.html', u'http://www.lynda.com/Lightroom-tutorials/Portrait-Project-Lighting-Portrait-Lightroom/196590-2.html', u'http://www.lynda.com/Lightroom-tutorials/Using-Wacom-Tablets-Lightroom/373091-2.html', u'http://www.lynda.com/Maya-tutorials/Lighting-Rendering-mental-ray-Maya/61222-2.html', u'http://www.lynda.com/Painter-tutorials/Digital-Painting-Transforming-Portrait/126125-2.html', u'http://www.lynda.com/Perfect-Photo-Suite-tutorials/Up-Running-Perfect-Photo-Suite-8/153675-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Advanced-Craft-Photography/123483-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Architectural-Photography-Exteriors/122455-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Art-Craft-Photography/123482-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/DIY-Photographer/369185-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Douglas-Kirkland-Photography-Storytelling-through-Photography/121834-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Finding-Perfect-Portrait-Lens/182035-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Insights-Architectural-Photography/122454-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Insights-Photojournalism/120606-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Insights-Product-Photography/135421-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Flash-Basics/124551-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Flash-Capturing-Dancer-Motion/124553-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Flash-Location-from-Close-Up-Portrait/124552-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Flash-Sports-from-Action-Portraits/124554-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Photographers-Flash-Exposure-Fundamentals/97401-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Lighting-Photographers-Portraiture/103265-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Narrative-Portraiture-On-Location-in-New-York-City/76561-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-Tutorials/Narrative-Portraiture-On-Location-in-New-York-with-Rodney-Smith/79032-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Narrative-Portraiture-On-Location-in-Texas-with-Keith-Carter/76562-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Photographing-High-School-Senior-Portraits/157342-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Shooting-Photo-Essay-Artist-Work/120607-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Shooting-Photo-Essay-Coney-Island/387352-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Shooting-Photo-Essay-Telling-Family-Story/149839-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Shooting-with-Wireless-Flash-Product-Shots/72963-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Street-Photography-Candid-Portraiture/185322-2.html', u'http://www.lynda.com/Photography-Cameras-Gear-tutorials/Travel-Photography-Desert-Road-Trip/121831-2.html', 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u'http://www.lynda.com/Photography-Lighting-tutorials/Shooting-Photo-Essay-60-Minutes/170283-2.html', u'http://www.lynda.com/Photography-Lighting-tutorials/Shooting-Soccer-Action-Photo/180778-2.html', u'http://www.lynda.com/Photography-Lighting-tutorials/Up-Running-Lighting-Natural-Light/117105-2.html', u'http://www.lynda.com/Photography-Masking-Compositing-tutorials/Brooke-Shadens-Conceptual-Photography-Start-Finish/140846-2.html', u'http://www.lynda.com/Photography-Masking-Compositing-tutorials/Photo-Restoration-Techniques-Recomposing-Photo/373088-2.html', u'http://www.lynda.com/Photography-Night-Low-Light-tutorials/Shooting-Wireless-Flash-Outdoors-Twilight/85089-2.html', u'http://www.lynda.com/Photography-Night-Low-Light-tutorials/Travel-Photography-Photographer-Cuba/371733-2.html', u'http://www.lynda.com/Photography-Photo-Assignments-tutorials/Narrative-Portraiture-Foundations-of-Portraiture/73663-2.html', 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u'http://www.lynda.com/Photography-tutorials/Pictures-Move-Creating-Cinemagraphs-Photoshop-After-Effects-Flixel-Cliplets/361170-2.html', u'http://www.lynda.com/Photography-tutorials/Up-Running-Lighting-Studio-Lights-Flash/122452-2.html', u'http://www.lynda.com/Photoshop-CS2-tutorials/channels-masks/322-2.html', u'http://www.lynda.com/Photoshop-CS3-tutorials/beyond-skin-going-deeper-with/600-2.html', u'http://www.lynda.com/Photoshop-CS3-tutorials/channels-masks-advanced-techniques/506-2.html', u'http://www.lynda.com/Photoshop-CS3-tutorials/channels-masks-the-essentials/468-2.html', u'http://www.lynda.com/Photoshop-CS3-tutorials/portrait-retouching-essentials/532-2.html', u'http://www.lynda.com/Photoshop-CS3-tutorials/portrait-retouching-techniques/566-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/image-compositing-for-photographers/58987-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/layer-masks-in-depth/55426-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/Photo-Restoration-with-Photoshop/84104-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/portrait-retouching-essential-training/688-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/retouching-fashion-photography-projects/46312-2.html', u'http://www.lynda.com/Photoshop-CS4-tutorials/selections-in-depth/52106-2.html', u'http://www.lynda.com/Photoshop-CS5-tutorials/athletic-retouching-projects/65893-2.html', u'http://www.lynda.com/Photoshop-CS5-tutorials/creative-compositing/65891-2.html', u'http://www.lynda.com/Photoshop-CS5-tutorials/fashion-retouching-projects/68497-2.html', u'http://www.lynda.com/Photoshop-CS5-tutorials/portrait-retouching/64047-2.html', u'http://www.lynda.com/Photoshop-CS5-tutorials/selections-in-depth/67163-2.html', u'http://www.lynda.com/Photoshop-Elements-9-tutorials/scanning-and-restoring-photos/69525-2.html', u'http://www.lynda.com/Photoshop-Elements-tutorials/Photoshop-Elements-11-Essentials-Editing-Retouching-Photos/111234-2.html', u'http://www.lynda.com/Photoshop-Elements-tutorials/Up-Running-Photoshop-Elements-11/108968-2.html', u'http://www.lynda.com/Photoshop-tutorials/Architectural-Photography-Interiors/122453-2.html', u'http://www.lynda.com/Photoshop-tutorials/Art-Photoshop-Compositing/147534-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Arch-Somewhere-Else/183681-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Castle-Mountain/183678-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Haunted-House/367454-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Magic-Orb/367451-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Maze/367455-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Mushroom-House/174493-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Mystical-Passage/183679-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Offworld-Mining/367453-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Sacred-Cavern/367452-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Sci-Fi-Tower/183680-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Volume-2/122805-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes-Volume-3/124550-2.html', u'http://www.lynda.com/Photoshop-tutorials/Bert-Monroy-Dreamscapes/107926-2.html', u'http://www.lynda.com/Photoshop-tutorials/Colorizing-Black-White-Photographs-Photoshop/133329-2.html', u'http://www.lynda.com/Photoshop-tutorials/Creating-Black-White-Landscape-Photos-Photoshop/169620-2.html', u'http://www.lynda.com/Photoshop-tutorials/Creating-Composites-Photoshop/123551-2.html', u'http://www.lynda.com/Photoshop-tutorials/Creating-Distressed-Vintage-Photo-Effects-Photoshop/168609-2.html', u'http://www.lynda.com/Photoshop-tutorials/Creative-Video-Compositing-Photoshop/141136-2.html', u'http://www.lynda.com/Photoshop-tutorials/Enhancing-Environmental-Portrait-Photoshop/114327-2.html', u'http://www.lynda.com/Photoshop-tutorials/Exploring-Photography-Backlighting/182172-2.html', u'http://www.lynda.com/Photoshop-tutorials/Exploring-Photography-White-Balance-Color-Temperature/182171-2.html', u'http://www.lynda.com/Photoshop-tutorials/Foundations-Photography-Macro-Close-Up/111232-2.html', u'http://www.lynda.com/Photoshop-tutorials/Introduction-Photo-Compositing/191608-2.html', u'http://www.lynda.com/Photoshop-tutorials/Lighting-Photographing-Still-Life/189614-2.html', u'http://www.lynda.com/Photoshop-tutorials/My-Photoshop-Story-Dana-Keller-Photo-Colorizer/384097-2.html', u'http://www.lynda.com/Photoshop-tutorials/Nik-Creative-Effects-Workshop/123499-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photo-Restoration-Techniques-Color-Casts-Fading/180186-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photo-Restoration-Techniques-Damaged-Black-White-Images/180187-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photo-Restoration-Techniques-Removing-Paper-Texture/373087-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photographing-Clothes-Textiles/135423-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photographing-Compositing-Photoshop/374612-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photographing-Jewelry/135422-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Steve-Caplins-Day-Night/123452-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Tim-Greys-Abandoned-Farmhouse/123556-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Tim-Greys-Prayer-Sticks/123557-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Airship/123429-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Atlantis/123430-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Balloonatic/123432-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Perestroika/123549-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Powered-Nature/123479-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Skytrain/123431-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Artist-Action-Uli-Staigers-Wasp-Attack/123428-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-CC-Adjustment-Layer-Blend-Mode-Workshop/374501-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-CC-Essential-Training-2015/372339-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-CC-Selections-Layer-Masking-Workshop/126063-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Compositing-Project-Replacing-Sky/417093-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-CS6-Photographers-New-Features/98828-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-CS6-Selections-Layer-Masking-Workshop/123506-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-for-Photographers-Portrait-Retouching/103293-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Image-Cleanup-Workshop/123467-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Insider-Training-Enhancing-Photos/107187-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Insider-Training-Photo-Restoration/117537-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Insider-Training-Rethinking-Essentials/185323-2.html', u'http://www.lynda.com/photoshop-tutorials/photoshop-interior-design-living-room-composite/142537-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Photographers-2015-Creative-Cloud-Updates/373793-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Photographers-Compositing/103290-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Photographers-Lighting-Effects/142958-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Retouching-Techniques-Beauty-Portraits/110286-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Retouching-Techniques-Faces/141134-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Retouching-Techniques-Fashion-Editorial/121622-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Retouching-Techniques-Hair/141135-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Retouching-Techniques-Skin/141133-2.html', u'http://www.lynda.com/Photoshop-tutorials/Photoshop-Selections-Workshop/123439-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Changing-Background-Dramatic-Effect/157117-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Changing-Sky-Background/157116-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Changing-Studio-Background/150541-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Enhancing-Environmental-Portrait-Model/187530-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Fixing-Distracting-Background/195856-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Fixing-Group-Photo/196588-2.html', u'http://www.lynda.com/Photoshop-tutorials/Portrait-Project-Retouching-Studio-Portrait/163420-2.html', u'http://www.lynda.com/Photoshop-tutorials/Practical-Photoshop-Selections/147023-2.html', 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u'http://www.lynda.com/Portrait-photography-tutorial/5-Day-Photo-Challenge-Portraiture/407210-2.html', u'http://www.lynda.com/Silver-Efex-Pro-tutorials/Learning-Silver-Efex-Pro-2/167142-2.html', u'http://www.lynda.com/Street-Photography-tips/5-Day-Photo-Challenge-Street-Photography/386569-2.html', u'http://www.lynda.com/training/Narrative-Portraiture-Portraits-of-Two-Texas-Artists/94662-2.html']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.11.27.1
[debug] Python version 2.7.10 - Darwin-15.0.0-x86_64-i386-64bit
[debug] exe versions: avconv 11.4, avprobe 11.4, ffmpeg 2.8.3, ffprobe 2.8.3, rtmpdump 2.4
[debug] Proxy map: {}
[lynda:course] Logging in as PRIVATE
[lynda:course] 101506: Downloading course JSON
[lynda:course] Logging out
[download] Downloading playlist: The Creative Spark: Lauren Lemon, Creative Portrait Photographer
[lynda:course] playlist The Creative Spark: Lauren Lemon, Creative Portrait Photographer: Collected 5 video ids (downloading 5 of them)
[download] Downloading video 1 of 5
[lynda] Logging in as PRIVATE
[lynda] 119468: Downloading video JSON
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[debug] Invoking downloader on u'http://files3.lynda.com/secure/courses/101506/VBR_MP4h264_main_HD720/101506_00_00_LA24_Preview.mp4?nfQiKlvMXrt6E8DXUI4E-BuQvTQ6k4EelB0bfM-crD5La-jTZCeQD5xFaDfBNZbF49W6VfVkfvKFffC-joS0Bx_1zumDfaYvEvJEHCBro7BxOv836bkNnFyYvjmVRmiOPSxGwgpnZoiPi_4_a1HUndLGdrmRRQLfppvSYD93P82H7-DE9PZGSf7t6G3XXGw&c3.ri=3773565519492081860'
[download] /Users/phil/Desktop/Lynda/The Creative Spark - Lauren Lemon, Creative Portrait Photographer/NA - Preview.mp4 has already been downloaded
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[download] Downloading video 2 of 5
[lynda] 116904: Downloading video JSON
[lynda] 116904: Checking 1-540 video format URL
[lynda] 116904: Checking 1-720 video format URL
[lynda] 116904: Checking 1-360 video format URL
[lynda] 116904: Checking 0-540 video format URL
[lynda] 116904: Checking 0-720 video format URL
[lynda] 116904: Checking 0-360 video format URL
[debug] Invoking downloader on u'http://files3.lynda.com/secure/courses/101506/VBR_MP4h264_main_HD720/101506_00_01_LA24_LaurenLemon.mp4?QoZPcayAnp0DgaWoSdNHYZ0MnfJTGFxMZC4ksQ70BwqPRRd40f-6SQcgjzeGPzG04d8shviqKu7DBPlGPth6NmpyO3x2ydhZGjnFKwQ50wdCAROUCMX7ttgRUrH3fmV7ZxnJROnI4HlunC6sMurYd8PK68DeYWhAnI4NK8MRzPzoG0nv_DB13uDXakBRZlPudPZA&c3.ri=3773847001716421855'
[download] Destination: /Users/phil/Desktop/Lynda/The Creative Spark - Lauren Lemon, Creative Portrait Photographer/NA - Lauren Lemon, creative portrait photographer.mp4
[download] 100% of 79.58MiB in 01:38
[download] Downloading video 3 of 5
[lynda] 116906: Downloading video JSON
[lynda] 116906: Checking 1-540 video format URL
[lynda] 116906: Checking 1-720 video format URL
[lynda] 116906: Checking 1-360 video format URL
[lynda] 116906: Checking 0-540 video format URL
[lynda] 116906: Checking 0-720 video format URL
[lynda] 116906: Checking 0-360 video format URL
[debug] Invoking downloader on u'http://files2.lynda.com/secure/courses/101506/VBR_MP4h264_main_HD720/101506_01_01_LA24_Instagram.mp4?c3.ri=3773565519492084493&hashval=1449019104_3a84035b4e06a78b73ff067899d23627'
[download] Destination: /Users/phil/Desktop/Lynda/The Creative Spark - Lauren Lemon, Creative Portrait Photographer/NA - The Instagram story.mp4
[download] 100% of 18.75MiB in 00:02
[download] Downloading video 4 of 5
[lynda] 116907: Downloading video JSON
[lynda] 116907: Checking 1-540 video format URL
[lynda] 116907: Checking 1-720 video format URL
[lynda] 116907: Checking 1-360 video format URL
[lynda] 116907: Checking 0-540 video format URL
[lynda] 116907: Checking 0-720 video format URL
[lynda] 116907: Checking 0-360 video format URL
[debug] Invoking downloader on u'http://files3.lynda.com/secure/courses/101506/VBR_MP4h264_main_HD720/101506_01_02_LA24_365Project.mp4?-In2Jio5RizLpgFBJY2Sg9dUEHDJP5TIMDroi4Konkrs_aLnbplx-AVejVnzbihGslbD9uLUv4H6L2ojZ6-igvyuoLcblv5-HUqqHifKokwONwlFxr-ioyeMy4CJoSTU2JdpGh_9e5gfnwWdsCCFlrKh-ynGL7B1OIf1r6hyJte3aW0CruK4uC2vwVDnlH3Xi8o&c3.ri=3773847001716425082'
[download] Destination: /Users/phil/Desktop/Lynda/The Creative Spark - Lauren Lemon, Creative Portrait Photographer/NA - Shooting the 365 self-portrait project.mp4
[download] 100% of 33.74MiB in 00:02
[download] Downloading video 5 of 5
[lynda] 116908: Downloading video JSON
[lynda] 116908: Checking 1-540 video format URL
[lynda] 116908: Checking 1-720 video format URL
[lynda] 116908: Checking 1-360 video format URL
[lynda] 116908: Checking 0-540 video format URL
[lynda] 116908: Checking 0-720 video format URL
[lynda] 116908: Checking 0-360 video format URL
[debug] Invoking downloader on u'http://files3.lynda.com/secure/courses/101506/VBR_MP4h264_main_HD720/101506_01_03_LA24_SelfPortraitPreProd.mp4?pn0hya0wDAMuMWGEd3ltQSV8gVZrVxUD8VFZKTZESwCd79vtXIAPHtNO68jXJhMq8c1SL3nyppCLFZvmWI8ZVALc0Y1Jv679h3nfUuNsbJnrHwvEerOlxi3sdAAd7EoqPtDl3twabYJ6GfbXUAd4s1TT8m_cvzMiy3gk7v7yrjLzhpXPVN6aP1OQohtX_Jb9s-4iQDnNLlqUkmo&c3.ri=3769906245104731808'
[download] Destination: /Users/phil/Desktop/Lynda/The Creative Spark - Lauren Lemon, Creative Portrait Photographer/NA - Planning a self-portrait photo shoot.mp4
[download] 100% of 38.42MiB in 00:26
[download] Finished downloading playlist: The Creative Spark: Lauren Lemon, Creative Portrait Photographer
[lynda:course] 115961: Downloading course JSON
[lynda:course] Logging out
[download] Downloading playlist: Enhancing Photos with iPhoto
[lynda:course] playlist Enhancing Photos with iPhoto: Collected 46 video ids (downloading 46 of them)
[download] Downloading video 1 of 46
[lynda] 119408: Downloading video JSON
[lynda] 119408: Checking 1-540 video format URL
[lynda] 119408: Checking 1-360 video format URL
[lynda] 119408: Checking 0-540 video format URL
[lynda] 119408: Checking 0-360 video format URL
[debug] Invoking downloader on u'http://files2.lynda.com/secure/courses/115961/VBR_MP4h264_main_SD/115961_00_01_MM11_Welcome.mp4?c3.ri=3774128460409936574&hashval=1449019145_b15b5f63842e1e6b434b9e6a4610ef03'
[download] Destination: /Users/phil/Desktop/Lynda/Enhancing Photos with iPhoto/NA - Welcome.mp4
[download] 100% of 2.14MiB in 00:00
[download] Downloading video 2 of 46
[lynda] 119409: Downloading video JSON
ERROR: lynda returned error: Session has expired
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 663, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 290, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/lynda.py", line 126, in _real_extract
    'lynda returned error: %s' % video['Message'], expected=True)
ExtractorError: lynda returned error: Session has expired

[pedramsaleh]

Looks like it doesn't give the error if you log in with a username/password.

[dstftw]

Should be fixed in the latest version.