Support for Wikitude Software Development Kit and tools is coming to an end. All the details can be found here.
Kindly note that no new topics can be started on the forum from 21.09.2023. Also, some of the FAQs here (especially license related ones) might become inaccurate.
I have same problem,too.
Intel XDK does not support Android Gradle builds. Gradle is required
by us because we already deliver our SDK as .aar file. That's why we
do not support the Intel XDK anymore.