mka_systemimage_error

root@TLHX:~/Asus_Ubuntu_touch_port_project/helium# mka systemimage
make: Entering directory '/root/Asus_Ubuntu_touch_port_project/helium'
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=7.1.1
LINEAGE_VERSION=14.1-20190514-UNOFFICIAL-T00F
TARGET_PRODUCT=lineage_T00F
TARGET_BUILD_VARIANT=userdebug
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=x86
TARGET_ARCH_VARIANT=atom
TARGET_CPU_VARIANT=
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.15.0-47-generic-x86_64-with-Ubuntu-18.04-bionic
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=NOF27B
OUT_DIR=/root/Asus_Ubuntu_touch_port_project/helium/out
============================================
Running kati to generate build-lineage_T00F.ninja...
No need to regenerate ninja file
Starting build with ninja
ninja: Entering directory `.'
ninja: error: 'vendor/asus/T00F/proprietary/lib/libstlport.so', needed by '/root/Asus_Ubuntu_touch_port_project/helium/out/target/product/T00F/system/lib/libstlport.so', missing and no known rule to make it
build/core/ninja.mk:151: recipe for target 'ninja_wrapper' failed
make: *** [ninja_wrapper] Error 1
make: Leaving directory '/root/Asus_Ubuntu_touch_port_project/helium'

#### make failed to build some targets (17 seconds) ####