App build issue on rhodes 7.5

It may depend on your sdk\ndk versions
Try updating to latest

Ah, that's fixed it. Thank you!

Also while I'm here, what's the latest version of Ruby we can use?
Also I think I asked this before but I think it was a 'no' at the time, are the M1 macs able to build rhodes apps?

Rhodes support M1 only for build and run on device. Currently iOS Simulator on M1 is unsupported.

We planed support build for iOS simulator on M1, but it is not high priority for us now.
But !
You can make little change in your application build.yml for support iOS Simulator on M1 system:

setup this parameter in iphone section:
github.com/rhomobile/rhodes/blob/master/res/generators/templates/application/build.yml#L83
replace "x86_64" to "arm64"
You should make it before first build on M1 system - just remove and reinstall rhodes gem if some issues. Also do not forget remove "bin" and "project" folders in your app folder.

With this changes your app can be build and run on iOS Simulator on M1 system from command line and from XCode both !