Importing Eclipse Project into Studio

Hi All, Newbie here.

I have been provided a sample project, I believe it is an Eclipse project. I imported it into studio and that went ok but when I build it I get the following:

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:processDebugManifest'.
> Manifest merger failed with multiple errors, see logs

Is there a common cause for such an error when importing into Studio? Where are these "logs"?

Thanks

Rich