Title: Avoid rare exception in WATO when deleting a host
Level: 1
Component: wato
Class: fix
State: unknown
Version: 1.2.5i1
Date: 1387211472
Targetversion: future

When deleting a host in an environment with distributed WATO under
circumstances that are unclear an exception could happen in a function called
<tt>find_host_sites</tt>. This exception is now handled correctly.
