repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_aosp.git -b twrp-12.1
repo sync
git clone https://github.com/MrFluffyOven/android_device_samsung_gta9p.git -b twrp-12.1 device/samsung/gta9p
export ALLOW_MISSING_DEPENDENCIES=true; . build/envsetup.sh; lunch twrp_gta9p-eng; mka recoveryimage
Boot twrp, Wipe data, Reboot Recovery, go to twrp terminal, type "multidisabler" hit enter/return , Wipe data again, Encryption should be Disabled