If you installed 2.1.4.12 update manually from command line you need to do the following fix to get the repositories working:

[nemo@Sailfish ~]$ devel-su
Password:
[root@Sailfish nemo]# sed -ie 's/releases-internal.jolla.com/releases.jolla.com/' /usr/share/ssu/repos.ini
[root@Sailfish nemo]# ssu ur