android build failing

Good Day

build failing with the following error

[stderr] FAILURE: Build failed with an exception.
[stderr] * Where:
[stderr] Initialization script '/root/.gradle/init.gradle' line: 36
[stderr] * What went wrong:
[stderr] A problem occurred evaluating root project 'develop_mobile'.
[stderr] > Could not get unknown property 'url' for object of type org.gradle.api.internal.artifacts.repositories.DefaultFlatDirArtifactRepository.
[stderr] * Try:
[stderr] Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
[stderr] * Get more help at
[stderr] BUILD FAILED in 35s

previous android builds were fine ,iOS builds are fine