buildroot linux version.h error

cat headers_install.sh >headers_install
chmod a+x headers_install
>>> linux-headers custom Building
>>> linux-headers custom Installing to staging directory
(cd /media/aj/Buffer/git-clones/buildroot/output/build/linux-headers-custom; PATH="/media/aj/Buffer/git-clones/buildroot/output/host/bin:/media/aj/Buffer/git-clones/buildroot/output/host/sbin:/home/aj/.cargo/bin:/media/aj/Buffer/riscv/bin:/home/aj/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" /usr/bin/make -j1 ARCH=riscv HOSTCC="/usr/bin/gcc" HOSTCFLAGS="" HOSTCXX="/usr/bin/g++" INSTALL_HDR_PATH=/media/aj/Buffer/git-clones/buildroot/output/host/riscv64-buildroot-linux-gnu/sysroot/usr headers_install)
make[2]: 'headers_install' is up to date.
if ! support/scripts/check-kernel-headers.sh  /media/aj/Buffer/git-clones/buildroot/output/host/riscv64-buildroot-linux-gnu/sysroot  4.18; then exit 1; fi
cc1: fatal error: /media/aj/Buffer/git-clones/buildroot/output/host/riscv64-buildroot-linux-gnu/sysroot/usr/include/linux/version.h: No such file or directory
compilation terminated.
support/scripts/check-kernel-headers.sh: 38: support/scripts/check-kernel-headers.sh: /tmp/check-headers.uNhRnx: Permission denied
make[1]: *** [package/pkg-generic.mk:272: /media/aj/Buffer/git-clones/buildroot/output/build/linux-headers-custom/.stamp_staging_installed] Error 1
make: *** [Makefile:84: _all] Error 2