#0 system/modules/zzz_bootstrap/templates/mod_bsNavbar.html5(3): Bootstrap\Bootstrap::getBrandClass(Object(Contao\FrontendTemplate))
#1 system/modules/core/library/Contao/BaseTemplate.php(88): include('/www/htdocs/w01...')
#2 system/modules/core/library/Contao/Template.php(277): Contao\BaseTemplate->parse()
#3 system/modules/core/classes/FrontendTemplate.php(46): Contao\Template->parse()
#4 system/modules/zzz_bootstrap/modules/ModuleBs.php(178): Contao\FrontendTemplate->parse()
#5 system/modules/core/library/Contao/Controller.php(321): Bootstrap\Module->generate()
#6 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule(Object(Contao\ModuleModel), 'header')
#7 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(20): Contao\FrontendIndex->run()
#9 {main}