<br><strong>Fatal error</strong>: Uncaught exception <strong>Error</strong> with message <strong>Call to a member function next() on null</strong> thrown in <strong>system/modules/makelaar/ObjectOverzichtModule.php</strong> on line <strong>67</strong>
<pre style="margin:11px 0 0">
#0 system/modules/core/modules/Module.php(287): ObjectOverzichtModule->compile()
#1 system/modules/makelaar/ObjectOverzichtModule.php(25): Contao\Module->generate()
#2 system/modules/core/elements/ContentModule.php(59): ObjectOverzichtModule->generate()
#3 system/modules/core/library/Contao/Controller.php(484): Contao\ContentModule->generate()
#4 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement(Object(Contao\ContentModel), 'main')
#5 system/modules/core/modules/Module.php(287): Contao\ModuleArticle->compile()
#6 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#7 system/modules/core/library/Contao/Controller.php(417): Contao\ModuleArticle->generate(false)
#8 system/modules/core/library/Contao/Controller.php(277): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#9 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#10 system/modules/core/controllers/FrontendIndex.php(285): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#11 index.php(20): Contao\FrontendIndex->run()
#12 {main}
</pre>