Thanks for the provided error message.
However, it does not help me much to recognize the cause for your issue therefore I would ask you to record a log using --log TRACE > log.txt 2>&1
options and the end of your build command.
appbuilder build Android --log TRACE > log.txt 2>&1
After that please send us the produced log.txt file located in the root folder of your app attached to your reply in a private support ticked
I look forward to your reply.