Tvheadend

I am not very familiar with Linux, but I have followed the instructions on this page http://tvheadend.org/projects/tvheadend/wiki/AptRepository with both Debian 32 and 64 bit in VirtualBox. I get the bellow errors.

Any help would be appreciated.

root@debian:/home/test# echo "deb https://dl.bintray.com/tvheadend/deb strech stable-4.2" | sudo tee -a /etc/apt/sources.list
deb https://dl.bintray.com/tvheadend/deb strech stable-4.2
root@debian:/home/test# sudo apt-get updateHit:1 http://security.debian.org/debian-security stretch/updates InRelease
Ign:2 http://ftp.us.debian.org/debian stretch InRelease   
Hit:3 http://ftp.us.debian.org/debian stretch-updates InRelease
Hit:4 http://ftp.us.debian.org/debian stretch Release
Ign:6 https://dl.bintray.com/tvheadend/deb strech InRelease
Ign:7 https://dl.bintray.com/tvheadend/deb strech Release
Ign:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Ign:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Ign:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Ign:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Ign:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Err:8 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Sources
  404  Not Found
Ign:9 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 amd64 Packages
Ign:10 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 all Packages
Ign:11 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en
Ign:12 https://dl.bintray.com/tvheadend/deb strech/stable-4.2 Translation-en_US
Reading package lists... Done
W: The repository 'https://dl.bintray.com/tvheadend/deb strech Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (stable-4.2/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Packages (stable-4.2/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Translations (stable-4.2/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Translations (stable-4.2/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Packages (stable-4.2/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Packages (stable-4.2/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Translations (stable-4.2/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Translations (stable-4.2/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
E: Failed to fetch https://dl.bintray.com/tvheadend/deb/dists/strech/stable-4.2/source/Sources  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
W: Target Packages (stable-4.2/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Packages (stable-4.2/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Translations (stable-4.2/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Translations (stable-4.2/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:14
W: Target Packages (stable-4.2/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Packages (stable-4.2/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Translations (stable-4.2/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
W: Target Translations (stable-4.2/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:12 and /etc/apt/sources.list:15
root@debian:/home/test# sudo apt-get install tvheadendReading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package tvheadend