Hi,
Thank you for your interest in NXP Semiconductor products,
Could you please attach the steps that took you there? You can export the output of
$ history
Are you running these commands?
$ source build/envsetup.sh
$ lunch mek_8q_car-nxp_stable-userdebug
Could you please add these commands after the lunch one?
$ export TARGET_RELEASE=nxp_stable
$ build_build_var_cache
Regards