rhn_check returns error message "Failed: Some of the packages specified were on a skip list".

Issue

rhn_check -vvv returns error message

D: Sending back response (30, 'Failed: Some of the packages specified were on a skip list', {'packages_on_skip_list': [(['kernel-utils', '2.4', 
'20.el4', '1', 'x86_64', '1141104', 'rhel-x86_64-as-4'], 'Pkg 
name/pattern')], 'version': '0', 'name': 'packages.update.packages_on_skip_list'}) 
D: do_call packages.checkNeedUpdate ('rhnsd=1',) 
D: local action status:  (0, 'rpm database not modified since last update (or package list recently updated)', {})