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Fixed in future release



Found in

Issue ID




Facebook Platform support throws BadImageFormatException error and prevents building

Facebook Gameroom



Priority: 2Necessary for shipping a final release


Severity: 2No workaround

Steps to reproduce:
1. New project
2. Switch platform to Facebook
3. Switch SDK to 7.10.1
4. Choose WebGL
5. Build and Run
6. Build and run again

Expected: Build will complete, no errors thrown
Actual: BadImageFormatException error is thrown, Build and Run can't complete

Reproduced with Unity 5.6.3p3, 2017.1.1p2, 2017.2.0f1, 2017.3.0b3

Tested with Branch: 2017.1/platform/facebook/integration but later reproduced on stable as well.

BadImageFormatException: Format of the executable (.exe) or library (.dll) is invalid.
Mono.Cecil.PE.ImageReader.ReadImage ()
Mono.Cecil.PE.ImageReader.ReadImage (Disposable`1 stream, System.String file_name)
Mono.Cecil.ModuleDefinition.ReadModule (Disposable`1 stream, System.String fileName, Mono.Cecil.ReaderParameters parameters)
Mono.Cecil.ModuleDefinition.ReadModule (System.String fileName, Mono.Cecil.ReaderParameters parameters)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

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