Error when export apk file

Android Builder is unable to compile this project.
The compiler error output was
________Preparing application icon
________Creating animation xml
________Creating style xml
________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
AAPT time: 1.5 seconds
________Compiling source files
(compiling appinventor/ai_adarshrupnar98/WiFI/Screen1.yail to appinventor.ai_adarshrupnar98.WiFI.Screen1)
(compiling /tmp/runtime8163877103348587426.scm to
Kawa compile time: 1.135 seconds
________Invoking DX
YAIL compiler - D8 execution failed.

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