fatal error: KWindowShadow: No such file or directory

[Deleted user]

I got this error
root@localhost:/Lightly/build# sudo make install
[ 1%] Automatic MOC and RCC for target lightlycommon5
[ 1%] Built target lightlycommon5_autogen
[ 4%] Built target lightlycommon5
[ 5%] Automatic MOC and RCC for target lightlydecoration
[ 5%] Built target lightlydecoration_autogen
[ 27%] Built target lightlydecoration [ 28%] Automatic MOC and RCC for target lightly
[ 28%] Built target lightly_autogen
[ 29%] Building CXX object kstyle/CMakeFiles/lightly.dir/lightlyblurhelper.cpp.o
In file included from /root/Lightly/kstyle/lightlyhelper.h:29:0,
from /root/Lightly/kstyle/lightlyblurhelper.h:35,
from /root/Lightly/kstyle/lightlyblurhelper.cpp:31:
/root/Lightly/kstyle/lightlyshadowhelper.h:26:10: fatal error: KWindowShadow: No such file or directory #include
^~~~~~~~~~~~~~~
compilation terminated.
kstyle/CMakeFiles/lightly.dir/build.make:814: recipe for target 'kstyle/CMakeFiles/lightly.dir/lightlyblurhelper.cpp.o' failed
make[2]: *** [kstyle/CMakeFiles/lightly.dir/lightlyblurhelper.cpp.o] Error 1
CMakeFiles/Makefile2:711: recipe for target 'kstyle/CMakeFiles/lightly.dir/all' failed
make[1]: *** [kstyle/CMakeFiles/lightly.dir/all] Error 2
Makefile:129: recipe for target 'all' failed
make: *** [all] Error 2
root@localhost:/Lightly/build#
Pls help

Operating System: Ubuntu 18.04LTS
Kubuntu 18.04lts

How to fix?