When I try to run the command ionic cordova build android out error as title above. Then I try to remove one of the gms, when I build again the del
For me, it was a matter of adding version number to Google Play Services in project.properies file.
So you need to change something like:
android.library.reference.1=CordovaLib
cordova.system.library.2=com.google.android.gms:play-services-auth:
cordova.system.library.3=com.google.android.gms:play-services-identity:
to:
android.library.reference.1=CordovaLib
cordova.system.library.2=com.google.android.gms:play-services-auth:11.
cordova.system.library.3=com.google.android.gms:play-services-identity:11.