[dss-merge-requests] Dev build failure

[oebuild at builder.localdomain]

>From https://git.digitalstrom.org/dss-oe/dss-oe
   9b87fa2..1c4d576  master     -> origin/master
Updating 9b87fa2..1c4d576
Fast-forward
 .../systembackup/files/create-backup.sh            | 42 +++++++++++++---------
 1 file changed, 26 insertions(+), 16 deletions(-)
[INFO] no images pending to be signed
Building images for devel feed
Configured feed: "devel"

Building configuration for targets/devel/dss20-yocto-rescue

[INFO] PACKAGES: rescue-initramfs rescue-swuimage update-info-file
NOTE: Started PRServer with DBfile: /oe/dss-oe/poky-rescue-devel-build/cache/prserv.sqlite3, IP: 127.0.0.1, PORT: 36953, PID: 1873
WARNING: Host distribution "CentOS-Linux-7.4.1708" has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.
ERROR:  OE-core's config sanity checker detected a potential misconfiguration.
    Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
    Following is the list of potential problems / advisories:

    Fetcher failure for URL: 'https://www.example.com/'. URL https://www.example.com/ doesn't work. Please ensure your network is configured correctly.


Summary: There was 1 WARNING message shown.
Summary: There was 1 ERROR message shown, returning a non-zero exit code.

bitbake returned 1, manual interaction required!

[Wed Apr  4 03:30:16 CEST 2018] Build failed