Erich Stallkamp ESTA GmbH

0 - Attempt to modify property "children" on null

Call stack
# Function Location
1 () JROOT/administrator/components/com_osmap/library/Alledia/OSMap/View/Site/AbstractList.php:214
2 Alledia\OSMap\View\Site\AbstractList->registerNodeIntoList()  
3 call_user_func_array() JROOT/administrator/components/com_osmap/library/Alledia/OSMap/Sitemap/Collector.php:303
4 Alledia\OSMap\Sitemap\Collector->submitItemToCallback() JROOT/administrator/components/com_osmap/library/Alledia/OSMap/Sitemap/Collector.php:219
5 Alledia\OSMap\Sitemap\Collector->fetch() JROOT/administrator/components/com_osmap/library/Alledia/OSMap/Sitemap/Standard.php:148
6 Alledia\OSMap\Sitemap\Standard->traverse() JROOT/components/com_osmap/views/html/tmpl/default_items.php:38
7 include() JROOT/libraries/src/MVC/View/HtmlView.php:701
8 Joomla\CMS\MVC\View\HtmlView->loadTemplate() JROOT/components/com_osmap/views/html/tmpl/default.php:70
9 include() JROOT/libraries/src/MVC/View/HtmlView.php:701
10 Joomla\CMS\MVC\View\HtmlView->loadTemplate() JROOT/libraries/src/MVC/View/HtmlView.php:230
11 Joomla\CMS\MVC\View\HtmlView->display() JROOT/libraries/allediaframework/Framework/Joomla/AbstractView.php:87
12 Alledia\Framework\Joomla\AbstractView->display() JROOT/administrator/components/com_osmap/library/Alledia/OSMap/View/Site/AbstractList.php:143
13 Alledia\OSMap\View\Site\AbstractList->display() JROOT/libraries/src/MVC/Controller/BaseController.php:664
14 Joomla\CMS\MVC\Controller\BaseController->display() JROOT/libraries/src/MVC/Controller/BaseController.php:702
15 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/components/com_osmap/osmap.php:35
16 require_once() JROOT/libraries/src/Component/ComponentHelper.php:402
17 Joomla\CMS\Component\ComponentHelper::executeComponent() JROOT/libraries/src/Component/ComponentHelper.php:377
18 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/SiteApplication.php:194
19 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:233
20 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:225
21 Joomla\CMS\Application\CMSApplication->execute() JROOT/index.php:49

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