Error make all

Hi there,
I've an error while try to run make all command, here is the error

david@davidsvr:~/Downloads/rtl8188eu$ make all
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.19.0-9-amd64/build M=/home/david/Downloads/rtl8188eu modules
make[1]: *** /lib/modules/4.19.0-9-amd64/build: No such file or directory. Stop.
make: *** [Makefile:155: modules] Error 2
david@davidsvr:~/Downloads/rtl8188eu$ ls -l /lib/modules/4.19.0-9-amd64/
total 4432
drwxr-xr-x 12 root root 4096 May 10 05:48 kernel
-rw-r--r-- 1 root root 1126280 May 9 21:22 modules.alias
-rw-r--r-- 1 root root 1072755 May 9 21:22 modules.alias.bin
-rw-r--r-- 1 root root 4683 Apr 29 05:38 modules.builtin
-rw-r--r-- 1 root root 5999 May 9 21:22 modules.builtin.bin
-rw-r--r-- 1 root root 434780 May 9 21:22 modules.dep
-rw-r--r-- 1 root root 592745 May 9 21:22 modules.dep.bin
-rw-r--r-- 1 root root 456 May 9 21:22 modules.devname
-rw-r--r-- 1 root root 140056 Apr 29 05:38 modules.order
-rw-r--r-- 1 root root 800 May 9 21:22 modules.softdep
-rw-r--r-- 1 root root 506537 May 9 21:22 modules.symbols
-rw-r--r-- 1 root root 625395 May 9 21:22 modules.symbols.bin

Regards,
jgun