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Fixed in Unity 2018.3



Found in


Issue ID




[UWP] ExecutionEngineException is thrown on System.Reflection.MonoProperty::GetterAdapterFrame

Universal Windows Platform



Priority: 2Necessary for shipping a final release


Severity: 3Secondary functionality broken

Steps to reproduce:
1. Download
2. Change platform to UWP
3. Build to any device with IL2CPP backend
4. Open VS solution
5. Deploy on Local Machine Debug x64

Expected: no errors will be thrown
Actual: 'System.ExecutionEngineException: Attempting to call method 'System.Reflection.MonoProperty::GetterAdapterFrame' for which no ahead of time (AOT) code was generated.' error is thrown in development console.

Reproduced with: 2018.1.0f2, 2018.1.0b1, 2018.2.0b3
Not reproducible with: 2017.4.2f2 2018.1.0a7
Regression introduced in: 2018.1.0b1

Fixed in 2018.1.7f1, 2018.2.0b8 and 2018.3

Response avatar


Jul 19, 2018

Fixed in 2018.1.7f1, 2018.2.0b8 and 2018.3

Comments (5)

  1. 945182c3297a1ed9df45bacf88f1b08d?d=mm


    Jul 05, 2018 09:41

    2018.1.6f same thing

  2. 6ae63d01339e77c185274fc5c2494f46?d=mm


    Jun 21, 2018 22:28

    June 21, Unity 2018.1.5f1
    It has been 57 days, 8 weeks, 1 month, 1368 hours, 82080 minutes, 4924800 seconds. I still do not have IL2CPP

  3. 42cbc8a97c7d4ec1ed807554d04cefbf?d=mm


    May 29, 2018 01:30

    Is there any build the fix can be tested on?

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