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Start AR Session Failed

Hello! I'm using unreal 4.20 AR Handheld, and at the beggining, when I started to test It, it worked fine when I compiled it to an apk to test it in a phone ) Which I already see that is compatible.

But few days ago, it stopped working, showing a black screen and saying "Start Ar session failed" I have no idea what it could be, I need some help with this, I saw a very few posts talking about this issue, some of them saying that I need the Google AR plugin in unreal, but it's already enabled.

Im testing in android.

Thanks a lot.

Product Version: UE 4.20
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asked Dec 13 '18 at 07:01 PM in Using UE4

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