ja healthcare - Joomla 5
entering/creating masthead modul gives error (in backend):
0 implode(): Argument #1 ($array) must be of type array, string given

2 implode() JROOT\layouts\joomla\form\field\media.php:160
3 include() JROOT\libraries\src\Layout\FileLayout.php:128
4 Joomla\CMS\Layout\FileLayout->render() JROOT\modules\mod_jamasthead\layouts\items.php:104
5 include() JROOT\modules\mod_jamasthead\asset\elements\jaitems.php:104
6 JFormFieldJaitems->renderLayout() JROOT\modules\mod_jamasthead\asset\elements\jaitems.php:70
7 JFormFieldJaitems->renderField() JROOT\layouts\joomla\edit\fieldset.php:43
8 include() JROOT\libraries\src\Layout\FileLayout.php:128
9 Joomla\CMS\Layout\FileLayout->render() JROOT\libraries\src\Layout\LayoutHelper.php:76
10 Joomla\CMS\Layout\LayoutHelper::render() JROOT\administrator\components\com_modules\tmpl\module\edit.php:123
11 include() JROOT\libraries\src\MVC\View\HtmlView.php:416
12 Joomla\CMS\MVC\View\HtmlView->loadTemplate() JROOT\libraries\src\MVC\View\HtmlView.php:204
13 Joomla\CMS\MVC\View\HtmlView->display() JROOT\administrator\components\com_modules\src\View\Module\HtmlView.php:110
14 Joomla\Component\Modules\Administrator\View\Module\HtmlView->display() JROOT\libraries\src\MVC\Controller\BaseController.php:697
15 Joomla\CMS\MVC\Controller\BaseController->display() JROOT\administrator\components\com_modules\src\Controller\DisplayController.php:85
16 Joomla\Component\Modules\Administrator\Controller\DisplayController->display() JROOT\libraries\src\MVC\Controller\BaseController.php:730
17 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT\libraries\src\Dispatcher\ComponentDispatcher.php:143
18 Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch() JROOT\libraries\src\Component\ComponentHelper.php:361
19 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT\libraries\src\Application\AdministratorApplication.php:150
20 Joomla\CMS\Application\AdministratorApplication->dispatch() JROOT\libraries\src\Application\AdministratorApplication.php:195
21 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT\libraries\src\Application\CMSApplication.php:306
22 Joomla\CMS\Application\CMSApplication->execute() JROOT\administrator\includes\app.php:58
23 require_once() JROOT\administrator\index.php:32