Error -- PublicKeyToken=31bf3856ad364e35

Posted on 2011-10-29
Last Modified: 2012-08-13
We host a web site named
Yesterday, we set up another web with named that we want to use for testing.  After loading the new site with all the files, we keep getting this error: Parser Error Message: Could not load file or assembly 'System.Web.DynamicData, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

These sites are both on the same server.
Question by:rrhandle8
    LVL 4

    Accepted Solution

    Is both sites are in same server? Is both the build are from same source code? Are you using entity framework or Linq in your project?

    Author Comment

    I assume they are on the same server.
    Yes, they are from the same build.
    I do not know what "entity framework" is.
    There is a reference in the web.config file for Linq, but I am not using it.
    LVL 15

    Assisted Solution

    - ensure that the server has the .net 3.5 installed
    - ensure your web site pool is defined to run under that .net build

    Author Comment

    This turned out to be a problem with the hosting company.  They fixed it, but would not tell me what was wrong.

    Author Closing Comment

    Thanks for the help.
    The problem was an incorrect setting by the hosting company

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