Value of 'null' is not valid for 'stream'

2 posts, 0 answers
  1. Alan
    Alan avatar
    1 posts
    Member since:
    Dec 2016

    Posted 27 Dec 2016 Link to this post

    I have Fiddler installed on my local computer. I'm trying to troubleshoot an error on a server. I ran Fiddler on the server, saved off the log, then moved the .saz file onto my local computer. When I try to open it, I get a pop-up error:



    Awww, Fiddlesticks!

    Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at

    Value of 'null' is not valid for 'stream'.

    Type: System.ArgumentException
    Source: System.Drawing
       at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)

       at Fiddler.frmPrompt.GetUserString(IWin32Window wndOwner, String sTitle, String sPrompt, String sDefault, Boolean bReturnNullIfCancelled, PromptIcon piIcon) in c:\JenkinsHome\jobs\FiddlerReleaseBuild\workspace\Fiddler2\frmPrompt.cs:line 80

    Fiddler v4.6.3.50306 (x64 AMD64) [.NET 4.0.30319.42000 on Microsoft Windows NT 10.0.10586.0] 

  2. Tsviatko Yovtchev
    Tsviatko Yovtchev avatar
    549 posts

    Posted 05 Jan 2017 Link to this post


    Could you send the offending saz fiel to tsviatko.yovtchev at

    Tsviatko Yovtchev
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