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Thread: unknown error occured while accessing an unnamed file

  1. #1
    Join Date
    06.07.2017
    Posts
    1

    Default unknown error occured while accessing an unnamed file

    Hello Team,
         I am getting an error, when I add variables in historian and save project. Here I have attached image file containing error. Please let me know reason for the problem. It will be helpful.



    Warm Regards,
    Shiva
    Attached Thumbnails Attached Thumbnails error.png  

  2. #2

    Default Re: unknown error occured while accessing an unnamed file

    Hi Shiva,

    I don't have an immediate idea of what is causing this, it could be something that is specific to the project or the variables that you are trying to add to the archive in the historian.

    It's probably best if you could contact your local COPA-DATA support representative and send them a project backup together with some instructions on how to reproduce the issue. They should be able to analyze the issue and assist you further.

    Best regards,
    Mark

  3. #3
    Join Date
    13.08.2013
    Posts
    57

    Default Re: unknown error occured while accessing an unnamed file

    Hi,
    I could reproduce this behaviour, I named a variable "CON" and added it to the archive, whenever I clicked on the project on the tree, I got this message.
    So try to avoid variables names like "CON","AUX" which have special meaning in windows full list=> https://www.thewindowsclub.com/create-restricted-files-folders-con-aux-nul-click-windows

    Best regards

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