Tvheadend

sudo apt-get update

Hit:1 http://security.ubuntu.com/ubuntu xenial-security InRelease
Hit:2 http://ppa.launchpad.net/mythbuntu/0.28/ubuntu xenial InRelease
Hit:3 http://be.archive.ubuntu.com/ubuntu xenial InRelease
Get:4 http://be.archive.ubuntu.com/ubuntu xenial-updates InRelease [94,5 kB]
Hit:5 http://be.archive.ubuntu.com/ubuntu xenial-backports InRelease
Get:6 http://be.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [222 kB]
Ign:7 https://dl.bintray.com/tvheadend/ubuntu master InRelease
Ign:8 https://dl.bintray.com/tvheadend/ubuntu master Release
Hit:9 http://ppa.launchpad.net/oscam/ppa/ubuntu xenial InRelease
Get:10 http://be.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [219 kB]
Ign:11 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages.diff/Index
Get:12 http://be.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [99,9 kB]
Get:13 http://be.archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [97,0 kB]
Ign:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Ign:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Ign:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Ign:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Ign:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Err:14 https://dl.bintray.com/tvheadend/ubuntu master/main i386 Packages
404 Not Found
Ign:15 https://dl.bintray.com/tvheadend/ubuntu master/main all Packages
Ign:16 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en_US
Ign:17 https://dl.bintray.com/tvheadend/ubuntu master/main Translation-en
Ign:18 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 DEP-11 Metadata Ign:19 https://dl.bintray.com/tvheadend/ubuntu master/main DEP-11 64x64 Icons
Ign:20 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 Packages
Fetched 732 kB in 7s (98,9 kB/s)
Reading package lists... Done
W: The repository 'https://dl.bintray.com/tvheadend/ubuntu master 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.
E: Failed to fetch https://dl.bintray.com/tvheadend/ubuntu/dists/master/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.

sudo apt-get upgrade

Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
tvheadend
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 19,3 MB of archives.
After this operation, 655 kB disk space will be freed.
Do you want to continue? [Y/n]
Err:1 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 tvheadend amd64 4.1-2126~g60e0227~trusty
403 Forbidden
E: Failed to fetch https://dl.bintray.com/tvheadend/ubuntu/4.1-2126~g60e0227/pool/main/t/tvheadend/tvheadend_4.1-2126~g60e0227~trusty_amd64.deb 403 Forbidden

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

sudo apt-get upgrade --fix-missing

Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
tvheadend
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 19,3 MB of archives.
After this operation, 655 kB disk space will be freed.
Do you want to continue? [Y/n]
Err:1 https://dl.bintray.com/tvheadend/ubuntu master/main amd64 tvheadend amd64 4.1-2126~g60e0227~trusty
403 Forbidden
E: Failed to fetch https://dl.bintray.com/tvheadend/ubuntu/4.1-2126~g60e0227/pool/main/t/tvheadend/tvheadend_4.1-2126~g60e0227~trusty_amd64.deb 403 Forbidden