Kali dont start after edit rc.local

hello,

i have dit rc.local with leafpad with this code

Code:

---

#!/bin/bash

echo "hello, HaVoK!"
echo " taking down wlan0"
ifconfig wlan0 down
sleep 3

echo "setting Region to Bolivia"
iw reg set BO
sleep 3

echo "setting TxPower to 30"
iwconfig wlan0 txpower 30
sleep 2

echo "starting wlan0"
ifconfig wlan0 up
echo "pulling wlan0 interface up"
iwconfig
sleep 5


echo "                                  "
echo "                BY                "
echo "      +-+-+ +-+-+-+-+-+ +-+-+    "
echo "              HaVoK              "
echo "      +-+-+ +-+-+-+-+-+ +-+-+    "
echo "                                  "
echo "                                  "

sleep 1

echo "good bye"
exit 0

---

after that kali dont boot fully up it hangs on the boot
Attachment 333

please help