Internal Server Error: undefined

3 posts, 0 answers
  1. Phongsathorn
    Phongsathorn avatar
    6 posts
    Member since:
    Jan 2013

    Posted 06 Jun 2015 Link to this post

    I get error message in html5 report viewer "Internal Server Error: undefined" after I update my project to .Net Framework 4.5.2 and update Microsoft.AspNet.WebApi to version 5.2.3.

    Now I'm using Telerik reporting Q3 2014 8.2.14.1027

     

  2. Phongsathorn
    Phongsathorn avatar
    6 posts
    Member since:
    Jan 2013

    Posted 06 Jun 2015 Link to this post

    I tried to update to Telerik reporting Q1 2015 SP1 but not solved this issue.
  3. Stef
    Admin
    Stef avatar
    3610 posts

    Posted 10 Jun 2015 Link to this post

    Hello Phongsathorn,

    After installing the new version of Telerik Reporting, you need to run the Upgrade Wizard in all related projects.

    Then verify the Reporting REST service is working and responding as expected by checking the setting in How To: Add Telerik Reporting REST Web API to Web Application. Verify the service's routes are registered before any other in the Global.asax.

    The recommended troubleshooting approach when using the viewer is to use the browser's Console or download and install Fiddler. In Fiddler - Inspectors - Request/Response - Raw tabs will be listed information about the made request and its response, including a list of all performed requests for the page.


    If you need further help, please post the actual error message written in the response. Check also the server's Event Viewer for any application error logs.

    Regards,
    Stef
    Telerik
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