kxdocker crashed

[dokubuntux]

Binary package hint: kxdocker

I use Kubuntu 7.04 Feisty Fawn and just installed kxdocker from the ubuntu universe-repos.
But if I want to start kxdocker, I get these error-messages and kxdocker doesn't start:

KXDocker Will use Composite Extensions!
X Error: BadDevice, invalid or uninitialized input device 169
  Major opcode: 145
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 169
  Major opcode: 145
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
kxdocker: WARNING: Cannot find updated resources: you may need to update or reinstall KXDocker resources, checkout http://www.xiaprojects.com/www/prodotti/kxdocker/main.php?action=download#resources
kxdocker: WARNING: loading xml...
kxdocker: WARNING: Warning user kxdocker_conf.xml may be corrupt: loading last backup!
kxdocker: WARNING: Warning user, and backup configurations are corrupt! I'm going to load system kxdocker_conf.xml !!!
kxdocker: WARNING: Warning user, backup, system configurations are corrupt! please install right kxdocker_conf.xml
ERROR: Communication problem with kxdocker, it probably crashed.