hellooooo - i need help with this please

[blange123]

CC [M] /tmp/tl-wn722/core/rtw_cmd.o
In file included from /tmp/tl-wn722/include/osdep_service.h:41:0,
from /tmp/tl-wn722/include/drv_types.h:32,
from /tmp/tl-wn722/core/rtw_cmd.c:22:
/tmp/tl-wn722/include/osdep_service_linux.h: In function ‘_init_timer’:
/tmp/tl-wn722/include/osdep_service_linux.h:265:8: error: ‘_timer {aka struct timer_list}’ has no member named ‘data’
ptimer->data = (unsigned long)cntx;
^
/tmp/tl-wn722/include/osdep_service_linux.h:266:2: error: implicit declaration of function ‘init_timer’ [-Werror=implicit-function-declaration]
init_timer(ptimer);
^
cc1: some warnings being treated as errors
scripts/Makefile.build:332: recipe for target '/tmp/tl-wn722/core/rtw_cmd.o' failed
make[2]: *** [/tmp/tl-wn722/core/rtw_cmd.o] Error 1
Makefile:1552: recipe for target 'module/tmp/tl-wn722' failed
make[1]: *** [module/tmp/tl-wn722] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-22-generic'
Makefile:1369: recipe for target 'modules' failed
make: *** [modules] Error 2