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XF 1.5 Blank page when opening threads after import

Discussion in 'Troubleshooting and Problems' started by TRGCommunity, Oct 1, 2015.

  1. TRGCommunity

    TRGCommunity Active Member

    Hi all,

    I just moved to XenForo and today I imported my vBulletin 4 database. The importing went without any problems and everything seems to be properly migrated.
    Unfortunately I noticed that I get a blank page when trying to open an existing thread. I was happy to find the following thread, but all the suggested fixes did not work:


    Thanks in advance for your help, I really appreciate it! :)

    Best regards,

    EDIT: When I try this with Microsoft Edge, I get an HTTP 500 error.
  2. Brogan

    Brogan XenForo Moderator Staff Member

    If you check the server error log that may provide some clue as to the cause.
    TRGCommunity likes this.
  3. TRGCommunity

    TRGCommunity Active Member

    Hello Brogan,

    thank you very much for your quick answer! Here's the error message:

    ErrorException: Fatal Error: Class 'XenES_Api' not found - library/Andy/SimilarThreads/ControllerPublic/Thread.php:127

    I disabled the similar threads addon and everything works fine now.
    Any idea what caused the problem?
  4. Brogan

    Brogan XenForo Moderator Staff Member

    You will need to contact the author of the add-on for support.

    Sounds like a bug to me.
    TRGCommunity likes this.
  5. TRGCommunity

    TRGCommunity Active Member

    Alright, thanks for your assistance :)

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