Updating to v3.7.0 results in error

[christianboyle]

Describe the bug
Updating from v3.6.7 to v3.7.0 results in the following error on reboot:

/usr/bin/sh: bad interpreter: no such file or directory on Raspbian GNU/Linux 9.13 (stretch)

To Reproduce
Steps to reproduce the behavior:

1. Update PADD via normal procedure (wget...)
2. Reboot

Expected behavior
Expect no errors

Screenshots
No screenshot, the error is just repeated until you replace padd.sh with v3.6.7

[Gothico74]

Same

pi@raspberrypi-hole:~ $ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
pi@raspberrypi-hole:~ $

[rdwebdesign]

Can you post the output of which sh?

[christianboyle]

@rdwebdesign /bin/sh

[Gothico74]

pi@raspberrypi-hole:~ $ which sh
/bin/sh

[rdwebdesign]

Thanks.