Augmented Reality for UE4

Hello,

Please some help!

I paid for the licence, now im trying to compile the APK for android, but im getting this error when opening the app in the smartphone:

If I copy the file manually it works, but I dont understand why the file is not being packed or copied?

EDIT: many attempts later, this files were also missing:

5ee636001bdf4a4ea6ed2d27a0c92ecc.png

How to fix this problem?

Thanks for the urgent help!