C++ – Visual Studio 2015 Add Class, Error: “object already exists”

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    • The error:
    I try to add a simple class
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    and then proceed to the wizard where I get the following Error]2:
    enter image description here
    "Object already exists".
    I can't add the class "MainGame" (and a few other names) to any project, not even if I create a new project

    How to recreate said bug/error:
    The error occured when I deleted a Release folder I'd accidentally copied over from a project in another solution. All now non-functional class names are derived from the object files within that Release folder.

    Solution:
    I have no solution.

    My questions are:
    Have anyone else had this or a similar issue?
    If so, have you solved it and what is your solution?

    I am open to all suggestions and while this 'bug' isn't making programming impossible it is quite annoying not being able to use frequently used class names.

    Best Answer

    Yeah, also saw that.

    I think I have created a C++ class, decided I don’t like it, reverted changes using github app. But the name was good, so I tried creating same class again. Saw the exact same error as you’re having.

    The name polluted the sqlite database. And because I had that VC.db in my .gitignore, git hasn't reverted that.

    To fix, quit visual studio, delete the file $(SolutionName).VC.db in your $(SolutionDir) folder, restart visual studio, clean and rebuild your project[s].

    Update: Modern versions of Visual Studio usually keep these SQLite databases inside .vs folder under $(SolutionDir).

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