YES

1 job for 4-beta-1 in 35 seconds
Status Job ID Name Coverage
  Build
failed #3201
build

00:00:35

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
Err http://ppa.launchpad.net jessie/main amd64 Packages
404 Not Found
Get:2 http://deb.debian.org jessie-updates/main amd64 Packages [17.8 kB]
Get:3 http://deb.debian.org jessie/main amd64 Packages [9063 kB]
W: Failed to fetch http://ppa.launchpad.net/tista/build/ubuntu/dists/jessie/main/binary-amd64/Packages 404 Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.
Fetched 9635 kB in 3s (3038 kB/s)
ERROR: Job failed: exit code 1