Your build environment is okay I faced the same errors
you need to rename the enum values and add it as extra at the vehicle cc file
then custom build will get built . In my case after the changes it worked
Could you please explain a little more about it ? …I’m not a developer and only resorted to trying and build the custom version as I have not manged to get hold of it any other way.
(Desktop version builds OK, but Android is just not happening)