• Attach an image png file.
• Click manage attachments
• Select the "create a link to the attached file" checkbox for the image
• Click the "Change comment and properties only" button.

Assertion failed!
 at /var/www/foswiki/trunk/core/lib/Assert.pm line 80
	Assert::ASSERT(undef) called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/Handler.pm line 87
	Foswiki::Store::VC::Handler::new('Foswiki::Store::VC::RcsWrapHandler', 'Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/RcsWrapHandler.pm line 28
	Foswiki::Store::VC::RcsWrapHandler::new('Foswiki::Store::VC::RcsWrapHandler', 'Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/RcsWrap.pm line 30
	Foswiki::Store::RcsWrap::getHandler('Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/Store.pm line 220
	Foswiki::Store::VC::Store::openAttachment('Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png', '<') called at /var/www/foswiki/trunk/core/lib/Foswiki/Meta.pm line 2769
	Foswiki::Meta::openAttachment('Foswiki::Meta=HASH(0x849fce0)', 'starred.png', '<') called at /var/www/foswiki/trunk/core/lib/Foswiki/Attach.pm line 276
	Foswiki::Attach::getAttachmentLink('Foswiki::Attach=HASH(0x88442b8)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Meta.pm line 2650
	Foswiki::Meta::attach('Foswiki::Meta=HASH(0x849fce0)', 'name', 'starred.png', 'comment', '', 'hide', '', 'createlink', 'on', ...) called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 192
	Foswiki::UI::Upload::__ANON__() called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 415
	eval {...} called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 407
	Error::subs::try('CODE(0x887b030)', 'HASH(0x8844128)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 212
	Foswiki::UI::Upload::_upload('Foswiki=HASH(0x84a6220)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 87
	Foswiki::UI::Upload::upload('Foswiki=HASH(0x84a6220)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 310
	Foswiki::UI::__ANON__() called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 415
	eval {...} called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 407
	Error::subs::try('CODE(0x804e2c8)', 'HASH(0x84a5f50)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 429
	Foswiki::UI::_execute('Foswiki::Request=HASH(0x846e4b8)', 'CODE(0x806fea8)', 'upload', 1) called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 277
	Foswiki::UI::handleRequest('Foswiki::Request=HASH(0x846e4b8)') called at /var/www/foswiki/trunk/core/lib/Foswiki/Engine/CGI.pm line 37
	Foswiki::Engine::CGI::run('Foswiki::Engine::CGI=HASH(0x81f75f0)') called at upload line 24
 at /var/www/foswiki/trunk/core/lib/Assert.pm line 80
	Assert::ASSERT(undef) called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/Handler.pm line 87
	Foswiki::Store::VC::Handler::new('Foswiki::Store::VC::RcsWrapHandler', 'Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/RcsWrapHandler.pm line 28
	Foswiki::Store::VC::RcsWrapHandler::new('Foswiki::Store::VC::RcsWrapHandler', 'Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/RcsWrap.pm line 30
	Foswiki::Store::RcsWrap::getHandler('Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Store/VC/Store.pm line 220
	Foswiki::Store::VC::Store::openAttachment('Foswiki::Store::RcsWrap=HASH(0x84dc988)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png', '<') called at /var/www/foswiki/trunk/core/lib/Foswiki/Meta.pm line 2769
	Foswiki::Meta::openAttachment('Foswiki::Meta=HASH(0x849fce0)', 'starred.png', '<') called at /var/www/foswiki/trunk/core/lib/Foswiki/Attach.pm line 276
	Foswiki::Attach::getAttachmentLink('Foswiki::Attach=HASH(0x88442b8)', 'Foswiki::Meta=HASH(0x849fce0)', 'starred.png') called at /var/www/foswiki/trunk/core/lib/Foswiki/Meta.pm line 2650
	Foswiki::Meta::attach('Foswiki::Meta=HASH(0x849fce0)', 'name', 'starred.png', 'comment', '', 'hide', '', 'createlink', 'on', ...) called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 192
	Foswiki::UI::Upload::__ANON__() called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 415
	eval {...} called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 407
	Error::subs::try('CODE(0x887b030)', 'HASH(0x8844128)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 212
	Foswiki::UI::Upload::_upload('Foswiki=HASH(0x84a6220)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI/Upload.pm line 87
	Foswiki::UI::Upload::upload('Foswiki=HASH(0x84a6220)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 310
	Foswiki::UI::__ANON__() called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 415
	eval {...} called at /usr/lib/perl5/vendor_perl/5.10.1/Error.pm line 407
	Error::subs::try('CODE(0x804e2c8)', 'HASH(0x84a5f50)') called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 429
	Foswiki::UI::_execute('Foswiki::Request=HASH(0x846e4b8)', 'CODE(0x806fea8)', 'upload', 1) called at /var/www/foswiki/trunk/core/lib/Foswiki/UI.pm line 277
	Foswiki::UI::handleRequest('Foswiki::Request=HASH(0x846e4b8)') called at /var/www/foswiki/trunk/core/lib/Foswiki/Engine/CGI.pm line 37
	Foswiki::Engine::CGI::run('Foswiki::Engine::CGI=HASH(0x81f75f0)') called

-- GeorgeClark - 12 Sep 2010