Error with make install

[Doomsdayrs]

for dir in src/kernel src/userspace; do make -C $dir install; done
make[1]: Entering directory '/mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/kernel'
make -C /lib/modules/4.18.0-13-generic/build M=/mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/kernel modules_install
make[2]: Entering directory '/usr/src/linux-headers-4.18.0-13-generic'
  INSTALL /mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/kernel/hid-lg-g710-plus.ko
At main.c:160:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:72
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:79
sign-file: certs/signing_key.pem: No such file or directory
  DEPMOD  4.18.0-13-generic
make[2]: Leaving directory '/usr/src/linux-headers-4.18.0-13-generic'
make[1]: Leaving directory '/mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/kernel'
make[1]: Entering directory '/mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/userspace'
make[1]: Nothing to be done for 'install'.
make[1]: Leaving directory '/mnt/40b88ecf-5660-4110-b4c1-b6105e528191/SourceCode/git/logitech-g710-linux-driver/src/userspace'

This is the output, I never built a driver before so i am not sure of the issue

[habahnow]

This happened to me as well.
Just continue on with the steps from the instructions.
I had to restart my system before the changes took effect, but now my keyboard g keys work.