Why I can not build aab files in Kodular last 3days, I am getting always build faild . Please Help

Kodular is unable to compile this project.
The compiler error output was
________Preparing application icon
________Creating animation xml
________Creating fragment xml
________Creating listview xml in res/layout/…
________Creating listview xml in res/layout-v21/…
________Creating xml in res/drawable/…
________Creating splash png in res/drawable/…
________Creating colors xml
________Creating styles xml
________Creating drawables xml v21
________Checking for firebase
________Creating provider_path xml
________Creating network_security_config xml
________Generating adaptive icon file
________Generating round adaptive icon file
________Generating adaptive icon background file
________Generating manifest file
________Attaching native libraries
________Attaching Android Archive (AAR) libraries
________Attaching component assets
________Invoking AAPT
AAPT2 compile time: 0.444 seconds
AAPT2 link time: 0.589 seconds
________Compiling source files
(compiling io/kodular/saurav050398/BiharjharkhandNews2/Screen4.yail to io.kodular.saurav050398.BiharjharkhandNews2.Screen4)
(compiling io/kodular/saurav050398/BiharjharkhandNews2/Screen1.yail to io.kodular.saurav050398.BiharjharkhandNews2.Screen1)
(compiling /tmp/runtime6331514555022461023.scm to com.google.youngandroid.runtime)
Kawa compile time: 2.521 seconds
________Invoking DX
DX time: 46.165 seconds
___________Creating structure
___________Extracting protobuf resources
________Running bundletool
.

Only compile the APK, send it to the mobile along with our android.keystore file to convert it to AAB and be able to sign it.
Use APK to AAB convert

Please refer to open topics about same thing