Download repository package missing

Looks like the repository index has been updated but the files not provided:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
   vim (8.0.0586-pk => 7.3.547-7+deb7u3)
The following packages will be upgraded:
   linux-image-3.2.0-4-amd64 (3.2.86-1 => 3.2.88-1)
   linux-libc-dev (3.2.86-1 => 3.2.88-1)
   owncloud-files (9.1.5-1.1 => 10.0.0-1.1)
3 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
Need to get 38.0 MB/62.4 MB of archives.
After this operation, 14.5 MB of additional disk space will be used.
Do you want to continue [Y/n]? 
Err  owncloud-files 10.0.0-1.1
  404  Not Found [IP: 2a01:4f8:192:50d6::3 80]
Failed to fetch  404  Not Found [IP: 2a01:4f8:192:50d6::3 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

No v10 files here.

See the existing threads:

Thanks, I understand now. However, the repository index should not refer to missing packages.

Yes, but most people in here can't do anything about this. :confused:

It probably just takes some time until 9.1.5 is again available at the stable release channel (maybe some mirrors are outdated or similar).