Warning: SimpleXMLElement::xpath(): Undefined namespace prefix in templates/mobile_startseite.php on line 40
#0 [internal function]: __error(2, 'SimpleXMLElemen...', '/usr/local/http...', 40, Array)
#1 templates/mobile_startseite.php(40): SimpleXMLElement->xpath('//ad:ad')
#2 system/modules/core/library/Contao/Controller.php(1649): include('/usr/local/http...')
#3 system/modules/core/classes/FrontendTemplate.php(154): Contao\Controller->replaceInsertTags('...', false)
#4 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#5 index.php(249): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#6 index.php(433): Index->run()
#7 {main}

Warning: SimpleXMLElement::xpath(): xmlXPathEval: evaluation failed in templates/mobile_startseite.php on line 40
#0 [internal function]: __error(2, 'SimpleXMLElemen...', '/usr/local/http...', 40, Array)
#1 templates/mobile_startseite.php(40): SimpleXMLElement->xpath('//ad:ad')
#2 system/modules/core/library/Contao/Controller.php(1649): include('/usr/local/http...')
#3 system/modules/core/classes/FrontendTemplate.php(154): Contao\Controller->replaceInsertTags('...', false)
#4 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#5 index.php(249): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#6 index.php(433): Index->run()
#7 {main}

Warning: Invalid argument supplied for foreach() in templates/mobile_startseite.php on line 40
#0 templates/mobile_startseite.php(40): __error(2, 'Invalid argumen...', '/usr/local/http...', 40, Array)
#1 system/modules/core/library/Contao/Controller.php(1649): include('/usr/local/http...')
#2 system/modules/core/classes/FrontendTemplate.php(154): Contao\Controller->replaceInsertTags('...', false)
#3 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#4 index.php(249): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#5 index.php(433): Index->run()
#6 {main}