Assertion failed!
 at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/Assert.pm line 61.
	Assert::ASSERT('') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/Render.pm line 780
	TWiki::Render::_handleWikiWord('TWiki::Render=HASH(0x3778c38)', 'TWiki', undef, 'CALC', '{"formula"}') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/Render.pm line 1955
	TWiki::Render::getRenderedVersion('TWiki::Render=HASH(0x3778c38)', '\x{a}---+!! <span style="font-size: 60%;">[[TWikiVariables][TWiki...', 'TWiki', 'DevelopmentVariables') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/UI/View.pm line 495
	TWiki::UI::View::_prepare('%INCLUDE{TWikiVariablesCategoryBody}%', 'TWiki=HASH(0x2335e58)', 'TWiki', 'DevelopmentVariables', 'TWiki::Meta=HASH(0x397a338)', 0) called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/UI/View.pm line 478
	TWiki::UI::View::view('TWiki=HASH(0x2335e58)') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/UI.pm line 204
	TWiki::UI::__ANON__() called at /usr/share/perl5/vendor_perl/Error.pm line 419
	eval {...} called at /usr/share/perl5/vendor_perl/Error.pm line 411
	Error::subs::try('CODE(0x231ac30)', 'HASH(0x3934278)') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/UI.pm line 279
	TWiki::UI::execute('TWiki::Request=HASH(0x2bff320)', 'CODE(0x2336710)', 'view', 1) called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/UI.pm line 180
	TWiki::UI::handleRequest('TWiki::Request=HASH(0x2bff320)') called at /var/www/develop.twiki.org/twiki/twikisvn/core/lib/TWiki/Engine/CGI.pm line 48
	TWiki::Engine::CGI::run('TWiki::Engine::CGI=HASH(0x291e808)') called at view line 47.