./build.sh macos sdk building problem, [E] 'arsdk' is not a valid product error

Hi everyone, i’m new into parrot drone development, following instruction on this link for unix based systems on my macos(10.14) machine :https://developer.parrot.com/docs/SDK3/#required-external-tools to build sdk, stacked with problem when running this function: ./build.sh -p arsdk-native -t build-sdk -j
output: [E] ‘arsdk’ is not a valid product
could someone help with this one please!!