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UE4 Failed to produce item .dll

Failed to produce item: G:\UnrealEngine\M2\Binaries\Win64\UE4Editor-M2.dll M2 G:\UnrealEngine\M2\Intermediate\ProjectFiles\ERROR 1
I could always create projects on ue4. Now there was a problem. Please, help her to decide. My friend also has this situation.alt text At once I will tell, that the reason not in ????, in a bug report. The same error gets out in the normal way.

Product Version: UE 4.18
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asked Feb 14 '18 at 05:36 AM in C++ Programming

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avatar image j.mueller RFG Feb 14 '18 at 10:24 AM

My first guess would be that the project configuration is broken. Does this error still persist if you delete the Intermediate, DerivedDataCache and Saved folders and re-generate your project files? Can you tell us what should be in the paths instead of ???? (probably M2 or ykyu)? Do you have a clue what change on your project (or the engine or your system) might have introduced this error?

avatar image nejo.quol Feb 16 '18 at 05:54 PM

It happens with any project on any version of engine.

avatar image nejo.quol Feb 16 '18 at 05:56 PM

I moved the engine to another ssd, can this be the reason?

avatar image j.mueller RFG Feb 16 '18 at 06:34 PM

I don't think that the drive should matter too much, but for now I really would recommend a conservative handling of your paths and trying to avoid any non-ANSI and whitespace characters in them. Then it would be good if you could provide a build log as it possibly could contain further hints on what is going wrong.

avatar image nejo.quol Feb 17 '18 at 07:50 AM

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bug2.png (111.1 kB)
avatar image nejo.quol Feb 17 '18 at 07:52 AM

Ok, I guess the problem is in the ????... I'll try to fix it Thank you for the answering!

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Your first problem is that you might be using extended UTF-8 characters that are not ASCII; UE4 does not currently support UTF-8 in path-naming systems. That is, rename your folders and files that are part of the project's path such that there will be no UTF-8 extended characters(just use ASCII). Your second problem is that in order to build your project, your currently installed MVS C++ compiler toolchain requires you to have a version of the windows 8.1 SDK in order to build the project on your machine. So you might want to google that.

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answered Feb 17 '18 at 09:00 AM

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