Installation Fails in Linux Mint 20.2

[zehratullayl]

Here is the output of

sudo ./install.sh

with the error in the output highlighted

make -C /lib/modules/5.4.0-84-generic/build M=/home/zehra/Desktop/Linux-Predator-GUI modules
make[1]: Entering directory '/usr/src/linux-headers-5.4.0-84-generic'
CC [M] /home/zehra/Desktop/Linux-Predator-GUI/src/facer.o
/home/zehra/Desktop/Linux-Predator-GUI/src/facer.c: In function ‘gkbbl_drv_write’:
/home/zehra/Desktop/Linux-Predator-GUI/src/facer.c:1916:8: error: implicit declaration of function ‘copy_from_user’ [-Werror=implicit-function-declaration]
1916 | err = copy_from_user(config_buf, buf, GAMING_KBBL_CONFIG_LEN);
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:270: /home/zehra/Desktop/Linux-Predator-GUI/src/facer.o] Error 1
make[1]: *** [Makefile:1762: /home/zehra/Desktop/Linux-Predator-GUI] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.4.0-84-generic'
make: *** [Makefile:9: default] Error 2
rmmod: ERROR: Module acer_wmi is not currently loaded
insmod: ERROR: could not load module src/facer.ko: No such file or directory
[ 894.474462] acer_wmi: Unknown function number - 4 - 0
[ 938.038251] wlp0s20f3: authenticate with 24:79:2a:f4:01:fd
[ 938.041356] wlp0s20f3: send auth to 24:79:2a:f4:01:fd (try 1/3)
[ 938.064627] wlp0s20f3: authenticated
[ 938.065106] wlp0s20f3: associate with 24:79:2a:f4:01:fd (try 1/3)
[ 938.066853] wlp0s20f3: RX AssocResp from 24:79:2a:f4:01:fd (capab=0x11 status=0 aid=2)
[ 938.068887] wlp0s20f3: associated
[ 938.150702] wlp0s20f3: Limiting TX power to 30 (30 - 0) dBm as advertised by 24:79:2a:f4:01:fd
[ 938.735723] IPv6: ADDRCONF(NETDEV_CHANGE): wlp0s20f3: link becomes ready
[ 1158.153478] acer_wmi: Acer Laptop WMI Extras unloaded
[*] Done

[JafarAkhondali]

check this #4

[JafarAkhondali]

Closing as no response