“Section %packages does not end with %end. Pane is dead” Error in CentOS 8 / RHEL 8

C:\Users\<account>\Documents\Virtual Machines\Cent8

lang en_US
#langsupport --default en_US
network --bootproto dhcp
cdrom
keyboard us
zerombr yes
clearpart --all --initlabel
part /boot --size 300
part swap --recommended
part / --size 3000 --grow
#part biosboot --fstype=biosboot --size=1
install
#mouse generic3ps/2
firstboot --disable
firewall --enabled
timezone --utc America/Los_Angeles
xconfig --startxonboot --resolution=800x600
rootpw --iscrypted $1$uzIbrDro$RhfwbnmqkvsVwwORfm9Vo1
reboot
auth --useshadow --enablemd5
bootloader --location=mbr
#key --skip
%packages
python
@ X Window System
@ GNOME Desktop Environment
@ Graphical Internet
@ Development Tools

#%end
%post
if [ -f /boot/grub/menu.lst -a ! -h /boot/grub/menu.lst ]; then cp /boot/grub/menu.lst /boot/grub/menu.lst.bak && sed -i 's/ rhgb//' /boot/grub/menu.lst; fi
if [ -f /boot/grub/grub.conf -a ! -h /boot/grub/grub.conf ]; then cp /boot/grub/grub.conf /boot/grub/grub.conf.bak && sed -i 's/ rhgb//' /boot/grub/grub.conf; fi
if [ -f /boot/grub2/grub.conf -a ! -h /boot/grub2/grub.conf ]; then cp /boot/grub2/grub.conf /boot/grub2/grub.conf.bak && sed -i 's/ rhgb//' /boot/grub2/grub.conf; fi
if [ -f /etc/rc.d/rc.local ]; then cp /etc/rc.d/rc.local /etc/rc.d/rc.local.backup; fi
cat >>/etc/rc.d/rc.local <<EOF
#!/bin/bash
echo
echo "Installing VMware Tools, please wait..."
if [ -x /usr/sbin/getenforce ]; then oldenforce=\$(/usr/sbin/getenforce); /usr/sbin/setenforce permissive || true; fi
mkdir -p /tmp/vmware-toolsmnt0
for i in hda sr0 scd0; do mount -t iso9660 /dev/\$i /tmp/vmware-toolsmnt0 && break; done
cp -a /tmp/vmware-toolsmnt0 /opt/vmware-tools-installer
chmod 755 /opt/vmware-tools-installer
cd /opt/vmware-tools-installer
mv upgra32 vmware-tools-upgrader-32
mv upgra64 vmware-tools-upgrader-64
mv upgrade.sh run_upgrader.sh
chmod +x /opt/vmware-tools-installer/*upgr*
umount /tmp/vmware-toolsmnt0
rmdir /tmp/vmware-toolsmnt0
if [ -x /usr/bin/rhgb-client ]; then /usr/bin/rhgb-client --quit; fi
cd /opt/vmware-tools-installer
for s in sr0 sr1; do eject -s /dev/\$s; done
./run_upgrader.sh
if [ -f /etc/rc.d/rc.local.backup ]; then mv /etc/rc.d/rc.local.backup /etc/rc.d/rc.local; else rm -f /etc/rc.d/rc.local; fi
rm -rf /opt/vmware-tools-installer
sed -i 's/3:initdefault/5:initdefault/' /etc/inittab
if [ -f /boot/grub/menu.lst.bak ]; then mv /boot/grub/menu.lst.bak /boot/grub/menu.lst; fi
if [ -f /boot/grub/grub.conf.bak ]; then mv /boot/grub/grub.conf.bak /boot/grub/grub.conf; fi
if [ -f /boot/grub2/grub.conf.bak ]; then mv /boot/grub2/grub.conf.bak /boot/grub2/grub.conf; fi
if [ -x /usr/sbin/getenforce ]; then /usr/sbin/setenforce \$oldenforce || true; fi
if [ -x /bin/systemd ]; then systemctl restart prefdm.service; else telinit 5; fi
EOF
chmod 755 /etc/rc.d/rc.local
if [ -x /bin/systemd ]; then systemctl enable rc-local.service; fi
/usr/sbin/adduser pawan
/usr/sbin/usermod -p '$1$uzIbrDro$RhfwbnmqkvsVwwORfm9Vo1' pawan
/usr/bin/chfn -f "Pawan" pawan
/bin/echo done
#%end