Version:           4.6 pre (using KDE 4.6.3) 
OS:                Linux

The removal of calender events leads to error message: Unable to send the item 'Wann Treffen mit Studis im ECO?'.
Method: Cancel

The same is the case when trying to archive multiple events, thus makes it impossible to archive

Reproducible: Always

Steps to Reproduce:
-create an ical calender ressource and link to an existing ical file
-try to delete one of the existing events
-error!

Actual Results:  
-error message mentioned above
-entry is deleted after "OK"

Expected Results:  
-delete without error message

output when korganizer is run under gdb:

GNU gdb (Ubuntu/Linaro 7.2-1ubuntu11) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/korganizer...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/korganizer 
[Thread debugging using libthread_db enabled]
korganizer(8954)/kdeui (KAction) KActionCollection::setComponentData: this does not work on a KActionCollection containing actions! 

Program exited normally.
(gdb) QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: No such file or directory
QFileSystemWatcher: failed to add paths: /home/robby/.config/ibus/bus
korganizer(8954) CalendarSupport::MailClient::mailAttendees: There are really no attendees to e-mail