The reader object is null, hence the error. TUniquePtr Reader(IFileManager::Get().CreateFileReader(Filename, ReadFlags)) Through debug, the problem arises when opening the. When I debug this APK, which is generated by “Launch” in UE with API 30, the error occurs. Several APK’s exist in my disk: the packed APK locates in the specified folder, without much doubt whereas another APK is generated in the UE project folder as the result of “Launch” in the UE editor, it is placed at “xxx/Binaries/Android/xxx.apk”.

With AS, I debugged the APK with “Profile or debug APK”. I also change the targeting API version to 28, there’s no error either launching with UE or AS.

I don’t know why this can happen because my mobile phone supports API 30.Īmong other attempts, I pack the game (developer/shipping) for Android API 30, and then launch that APK with Android Studio(AS), there’s no error message this time. This problem only occurs to me when the targeting platform is set and then click “Launch (on Android)” in the editor.

However, maybe the following notes can help further investigations: But now I can bypass this problem by adjusting the packing configuration, so I’m not going to spend more time on this issue.

Download the new Farlight 84 Epic