4.10.4 PackagingResults:Error: Error Unknown Cook Failure

Development Platform & Builds
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1

Hello, I am using Unreal Engine Version 4.10.4 I’m trying to package an old project of mine and it won’t work. I’m still relatively novice at unreal. I’ve gone through the previous answered posts here with the same error and have done the following to try fix it:

  • Made a new project and copied the
    files over
  • Reinstalled Visual studios 2015 and
    checked the common tools
  • Deleted my intermediate and saved
    files

Unfortunately none of these helped package the project. I’ll attach my error logs to this post.

Any help would be greatly appreciated!

link text

2

Hi Malteaser,

It looks like you did not include/enable a plugin named ‘VaRest’. I havent used this plugin and I dont know what this does. See if including this helps?

Thanks

I found the following errors from your log:

MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:633][  0]LogLinker:Warning: Can't find file '/Script/VaRestPlugin'
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:633][  0]LogUObjectGlobals:Warning: Failed to load '/Script/VaRestPlugin': Can't find file '/Script/VaRestPlugin'
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:633][  0]LogLinker:Warning: Can't find file for asset '/Script/VaRestPlugin' while loading NULL.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:633][  0]LogUObjectGlobals:Warning: Failed to load '/Script/VaRestPlugin': Can't find file for asset '/Script/VaRestPlugin' while loading NULL.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:642][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "ConstructRequestExt" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Construct Request Ext 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:643][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "ApplyURL" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Apply URL 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:644][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "AsString" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  As String 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:644][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "AsString" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  As String 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:645][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "GetField" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Get Field 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:645][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "GetField" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Get Field 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:645][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "ConstructRequestExt" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Construct Request Ext 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:646][  0]LogBlueprint:Error: [compiler FF_Instance] Error Could not find a function named "ApplyURL" in 'FF_Instance'.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: Make sure 'FF_Instance' has been compiled for  Apply URL 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:647][  0]LogBlueprint:Error: [compiler FF_Instance] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:647][  0]LogBlueprint:Error: [compiler FF_Instance] Error This blueprint (self) is not compatible with ' Target ', therefore that pin must have a connection.
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:648][  0]LogBlueprint:Error: [compiler FF_Instance] Error The current value (GET) of the ' Verb ' pin is invalid: Expected a valid unsigned number for a byte property
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:648][  0]LogBlueprint:Error: [compiler FF_Instance] Error The current value (x_www_form_urlencoded_url) of the ' Content Type ' pin is invalid: Expected a valid unsigned number for a byte property
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:649][  0]LogBlueprint:Error: [compiler FF_Instance] Error The current value (GET) of the ' Verb ' pin is invalid: Expected a valid unsigned number for a byte property
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.01.03-10.38.23:649][  0]LogBlueprint:Error: [compiler FF_Instance] Error The current value (x_www_form_urlencoded_url) of the ' Content Type ' pin is invalid: Expected a valid unsigned number for a byte property
3

Hi ,

Yes that was the problem! I thought I had removed it and there were still some remnants lurking in the code, once removed I was able to package the project thank you. :slight_smile: