Android apps demands 64-bit, il2CPP -- Building ERROR please help!

Hello guys,
Latest virsion of unity downloaded from the Hub 2019 alpha.

i’m using recommended SDK, JDK and NDK!

unity cannot build android apps when i choose backend scripting (il2CPP)

WHY?!

i attached a picture for the errors i get

thanks

Hi,

I have exactly the same issue ! Anyone Can help please ?