Hi,
after update from joomla i get an error. 
how can i fix this problem?Call stack#FunctionLocation1()JROOT/plugins/content/jw_sigpro/jw_sigpro.php:582plgContentJw_sigpro->renderSIGP()JROOT/plugins/content/jw_sigpro/jw_sigpro.php:453plgContentJw_sigpro->onContentPrepare()JROOT/libraries/src/Plugin/CMSPlugin.php:2854Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin\{closure}()JROOT/libraries/vendor/joomla/event/src/Dispatcher.php:4865Joomla\Event\Dispatcher->dispatch()JROOT/libraries/src/MVC/View/AbstractView.php:2666Joomla\CMS\MVC\View\AbstractView->dispatchEvent()JROOT/components/com_content/src/View/Article/HtmlView.php:2437Joomla\Component\Content\Site\View\Article\HtmlView->display()JROOT/libraries/src/MVC/Controller/BaseController.php:6978Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/src/Controller/DisplayController.php:1249Joomla\Component\Content\Site\Controller\DisplayController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:73510Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/libraries/src/Dispatcher/ComponentDispatcher.php:14611Joomla\CMS\Dispatcher\ComponentDispatcher->dispatch()JROOT/components/com_content/src/Dispatcher/Dispatcher.php:5512Joomla\Component\Content\Site\Dispatcher\Dispatcher->dispatch()JROOT/libraries/src/Component/ComponentHelper.php:38913Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:20414Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:24315Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:27816Joomla\CMS\Application\CMSApplication->execute()JROOT/includes/app.php:6317require_once()JROOT/index.php:32