built-kit core-utils error

Processing core package: coreutils-multicall-8.30-x86_64.tazpkg

Installation of package "coreutils-multicall"
================================================================================
Utilities for using and setting the basic system (packed in single binary like
Busybox)
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Copying package...                                                   [ Done ]
Extracting package...                                                [ Done ]
Remember modified packages...                                        [ Done ]
Installing package...                                                [ Done ]
/usr/libexec/tazpkg/install: line 259: fold: not found
                                                                     [ Done ]
/usr/libexec/tazpkg/install: line 259: fold: not found

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                                                                     [ Done ]
================================================================================
Package "coreutils-multicall" (8.30) is installed.

Processing core package: bc-1.07.1-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: bash-4.4.p23-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: aufs-4.17-20180716_4.17.7-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: apulse-0.1.12-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: alsa-plugins-1.1.7-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: alsaequal-0.6-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing core package: acpid-2.0.30-x86_64.tazpkg
/usr/bin/tazpkg: /etc/slitaz/slitaz.conf: line 5: cat: not found
/usr/bin/tazpkg: /lib/libtaz.sh: line 34: tr: not found
/usr/bin/tazpkg: export: line 39: : bad variable name
Processing pet package: grub4dos-0.4.4.v1.9.2-2.pet
/usr/bin/tazpet: line 7: whoami: not found
/usr/bin/tazpet: exec: line 8: sudo: not found
cp: cannot stat '/root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grldr.lzma': No such file or directory
unlzma: /root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grldr.lzma: No such file or directory
mv: cannot stat '/root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grldr.lzma.bak': No such file or directory
cp: cannot stat '/root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grub.exe.lzma': No such file or directory
unlzma: /root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grub.exe.lzma: No such file or directory
mv: cannot stat '/root/spot/Downloads/tazpup-builder-5.13.tar.gz.extracted/tazpup-builder/slitaz-rootfs/usr/share/boot/grub.exe.lzma.bak': No such file or directory
Applying patches...
Updating system database...
chroot: can't execute 'tazpkg': No such file or directory
/usr/bin/gtk-update-icon-cache: error while loading shared libraries: libpng12.so.0: wrong ELF class: ELFCLASS64
/usr/bin/gdk-pixbuf-query-loaders: error while loading shared libraries: libpng12.so.0: wrong ELF class: ELFCLASS64
/usr/bin/fc-cache: error while loading shared libraries: libpng12.so.0: wrong ELF class: ELFCLASS64