Assertion failed!
 at /home/htmlrw/wikiadm/twiki/lib/Assert.pm line 61
	Assert::ASSERT('') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Store.pm line 1380
	TWiki::Store::topicExists('TWiki::Store=HASH(0x8a0fa08)', 'TWiki', 'TWiki.PatternSkinCustomization') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Prefs/PrefsCache.pm line 193
	TWiki::Prefs::PrefsCache::loadPrefsFromTopic('TWiki::Prefs::PrefsCache=HASH(0xac39b54)', 'TWiki', 'TWiki.PatternSkinCustomization', 'undef') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Prefs/PrefsCache.pm line 124
	TWiki::Prefs::PrefsCache::new('TWiki::Prefs::PrefsCache', 'TWiki::Prefs=HASH(0x89b56b0)', 'undef', 'TOPIC', 'TWiki', 'TWiki.PatternSkinCustomization') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Prefs.pm line 305
	TWiki::Prefs::getTopicPreferencesValue('TWiki::Prefs=HASH(0x89b56b0)', 'DENYTOPICVIEW', 'TWiki', 'TWiki.PatternSkinCustomization') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Access.pm line 463
	TWiki::Access::checkAccessPermission('TWiki::Access=HASH(0xaaa7e80)', 'VIEW', 'BaseUserMapping_666', 'undef', 'undef', 'TWiki.PatternSkinCustomization', 'TWiki') called at /home/htmlrw/wikiadm/twiki/lib/TWiki.pm line 2673
	TWiki::_TOC('TWiki=HASH(0x8a0fb88)', '---+!! Pattern Skin\x{a}<!--\x{a}   Contributions to this skin are ap...', 'PatternSkin', 'TWiki', '"TWiki.PatternSkinCustomization" title=" "') called at /home/htmlrw/wikiadm/twiki/lib/TWiki.pm line 3696
	TWiki::handleCommonTags('TWiki=HASH(0x8a0fb88)', '---+!! Pattern Skin\x{a}<!--\x{a}   Contributions to this skin are ap...', 'TWiki', 'PatternSkin', 'TWiki::Meta=HASH(0xaaa0a78)') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/UI/View.pm line 479
	TWiki::UI::View::_prepare('---+!! Pattern Skin\x{a}<!--\x{a}   Contributions to this skin are ap...', 'TWiki=HASH(0x8a0fb88)', 'TWiki', 'PatternSkin', 'TWiki::Meta=HASH(0xaaa0a78)', 0) called at /home/htmlrw/wikiadm/twiki/lib/TWiki/UI/View.pm line 460
	TWiki::UI::View::view('TWiki=HASH(0x8a0fb88)') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/UI.pm line 204
	TWiki::UI::__ANON__() called at /usr/lib/perl5/vendor_perl/5.8.8/Error.pm line 415
	eval {...} called at /usr/lib/perl5/vendor_perl/5.8.8/Error.pm line 407
	Error::subs::try('CODE(0x84f3654)', 'HASH(0xaaa7a0c)') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/UI.pm line 279
	TWiki::UI::execute('TWiki::Request=HASH(0x89cd57c)', 'CODE(0x89d0a58)', 'view', 1) called at /home/htmlrw/wikiadm/twiki/lib/TWiki/UI.pm line 180
	TWiki::UI::handleRequest('TWiki::Request=HASH(0x89cd57c)') called at /home/htmlrw/wikiadm/twiki/lib/TWiki/Engine/CGI.pm line 48
	TWiki::Engine::CGI::run('TWiki::Engine::CGI=HASH(0x87db130)') called at /home/htmlrw/wikiadm/twiki/bin/view line 43.