Can't build apk - error message

When i try to buld my app i receive this message:
Screen1.yail.line26: body with no expressions

Can anybody help me please?

Please attach your project (aia) file and send it, and we'll take a look.



make sure, there are no warnings before building your app

Thanks, that solved it! I had a couple of blocks with warning i wasn't using and i forgot to disable them. Thank you!!!