Incorrect out of disk space exception

Hi,

I'm getting the following exception when I try to write to a file:


Server Error in '/' Application.


There is not enough space on the disk.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.IOException: There is not enough space on the disk.


Source Error:

Code:

Line 100:        Next
Line 101:
Line 102:        Dim myStream As New FileStream(Current.Server.MapPath(transfile), FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read)
Line 103:        myStream.Position = myStream.Length
Line 104:        Dim sw As New System.IO.StreamWriter(myStream)

Source File: E:\web\fmalivecom0\htdocs\App_Code\Helpers.vb Line: 102

Stack Trace:

Code:

[IOException: There is not enough space on the disk.
]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +2015383
   System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) +998
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) +114
   AppHelpers.StoreTransaction(NameValueCollection nvcol) in E:\web\fmalivecom0\htdocs\App_Code\Helpers.vb:102
   Processing_Notify.Page_Load(Object sender, EventArgs e) in E:\web\fmalivecom0\htdocs\processing\Notify.aspx.vb:40
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061

I'm nowhere near using up my disk space. Any idea what the problem might be ?





Thanks for your help.





Jon