Error bei rssFeed hinzufügen

    PHP Version:

    7.2.8

    WoltLab Suite Core:

    3.0.17 pl 1

    Peak Memory Usage:

    9.143/512 MiB

    Request URI:

    /news/acp/index.php?rss-feed-add/

    Referrer:

    https://www.rc-freaks.eu/news/acp/index.php?rss-feed-list/

    User Agent:

    Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0

Error

    Error Type:

    wcf\system\exception\ErrorException

    Error Message:

    count(): Parameter must be an array or an object that implements Countable

    File:

    */lib/system/WCF.class.php (335)

    Stack Trace:
        #0 */acp/templates/compiled/0_news_1_rssFeedAdd.php (1130):
        wcf\system\WCF::handleError(2, 'count(): Parameter must be an array or an object that implements Countable', '*/acp/templates/compiled/0_news_1_rssFeedAdd.php', 1130, [ 24 items ])
        #1 */lib/system/template/TemplateEngine.class.php (320):
        include('*/acp/templates/compiled/0_news_1_rssFeedAdd.php')
        #2 */lib/page/AbstractPage.class.php (308):
        wcf\system\template\TemplateEngine->display('rssFeedAdd', 'news')
        #3 */lib/page/AbstractPage.class.php (103):
        wcf\page\AbstractPage->show()
        #4 */lib/system/request/Request.class.php (83):
        wcf\page\AbstractPage->__run()
        #5 */lib/system/request/RequestHandler.class.php (94):
        wcf\system\request\Request->execute()
        #6 */news/acp/index.php (9):
        wcf\system\request\RequestHandler->handle('news', true)