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".generated.h" file cannot be opened

When I try to use the JSON Utilities Library, I get fatal errors from "JsonObjectWrapper.generated.h" being unable to be read. This only impacts "JsonObjectWrapper.generated.h", however, no matter what I use within JSON Utilities, I get that error. I have consistently seen errors both across 4.21, and 4.22, and across multiple projects in both versions.

Product Version: UE 4.21
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asked Apr 17 '19 at 01:47 PM in Bug Reports

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Impure Rose
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avatar image Jeff A ♦♦ STAFF Apr 17 '19 at 05:32 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks

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Hi,

You need to do a little more than just regenerating VS project files. Close both the Unreal Editor and Visual Studio. Open your project directory and delete all these folders - .vs, Binaries, Intermediate, Saved [optional], and also YourGame.sln files. Make sure that the Config folder is there and that you do NOT accidentally delete it!

Next, right click on the YourGame.urpoject and select Generate Visual Studio project files. Open the .uproject file once it finishes regenerating. The Editor will prompt you with a missing .dll module again and will ask you to rebuild the solution. Click Yes and it will start rebuilding. It should now successfully compile if there are no bugs in your code. TellPopeyes

Hope this helps :-)

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answered Apr 18 '19 at 02:08 PM

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Jane637
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