I have SLES11 for VMware and trying to update from SMT.
All pachages upgrade with no problems except kernel. I get error:

xxxxx@yyzzzxxxx:~> sudo zypper patch
Loading repository data...
Reading installed packages...
Resolving package dependencies...

The following NEW patch is going to be installed:

The following package is going to be REMOVED:

1 package to remove.
After the operation, 19.2 MiB will be freed.
Continue? [y/n/?] (y): y
Removing kernel-default-base- [error]
Removal of (13470)kernel-default-base- failed:
Error: Subprocess failed. Error: RPM failed: error: %postun(kernel-default-base- scriptlet failed, exit status 1

Abort, retry, ignore? [a/r/i] (a): a
Problem occured during or after installation or removal of packages:
Installation aborted by user

Please see the above error message for a hint.
Warning: One of installed patches requires reboot of your machine. Reboot as soon as possible.

Any clue?

Thanks in advance.