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OnlineSubsystemIOS not found.

Hello there!

Trying to get a session created with an iPhone, and so far we managed to get the packaging and signing all done. However using NULL as OnlineSubsystem, the session creation fails. We edited the "DefaultEngine.ini" to:

[OnlineSubsystem] DefaultPlatformService=IOS

However on packaging, we instantly getting this warning. (Working on a Mac, Engine is from Launcher):

 UATHelper: Packaging (iOS): UE4Editor: LogModuleManager:Warning: No filename provided for module OnlineSubsystemIOS
 UATHelper: Packaging (iOS): UE4Editor: LogModuleManager:Warning: ModuleManager: Unable to load module 'OnlineSubsystemIOS' because the file '/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/Mac/' was not found.

Anyone knows what this exactly is and how to fix it?

Thank you in advance!

Product Version: UE 4.15
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asked Apr 07 '17 at 12:17 PM in Packaging & Deployment

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1 answer: sort voted first

Hi Lostra,

Check out the following AnswerHub answer and see if it does not resolve the issue for you... only make sure that Online Subsystem iOS is enabled in the plugins -> Online Platform option instead of Steam.

OnlineSubSystemSteam not found

Let me know if this does not resolve your issue.


Steve H.

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answered Apr 10 '17 at 09:08 PM

avatar image Lostra01 Apr 12 '17 at 05:32 PM

Hello there!

Thanks for the tip. It is enabled, by default, so no, that wasn't the issue sadly.

avatar image Steve Hardister ♦♦ STAFF Apr 12 '17 at 09:14 PM

Did you read this explanation in the answer on the following post:

OnlineSubsystem Null vs Steam

And did you set up your DefaultEngine.ini as shown in the answer here:

OnlineSub is null

Please try this and let me know if it does not resolve your issue. If not, please post your entire Output Log as a text file attachment.


Steve H.

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