RuntimeException: Error decoding JSON data: Control character error, possibly incorrectly encoded in /var/www/html/joomla/libraries/vendor/joomla/registry/src/Format/Json.php:72
Stack trace:
#0 /var/www/html/joomla/libraries/vendor/joomla/registry/src/Registry.php(366): Joomla\Registry\Format\Json->stringToObject('{"page_title":"...', Array)
#1 /var/www/html/joomla/components/com_content/models/article.php(180): Joomla\Registry\Registry->loadString('{"page_title":"...')
#2 /var/www/html/joomla/plugins/system/plazart/includes/joomla30/viewlegacy.php(394): ContentModelArticle->getItem()
#3 /var/www/html/joomla/components/com_content/views/article/view.html.php(43): JViewLegacy->get('Item')
#4 /var/www/html/joomla/libraries/legacy/controller/legacy.php(664): ContentViewArticle->display()
#5 /var/www/html/joomla/components/com_content/controller.php(113): JControllerLegacy->display(true, Array)
#6 /var/www/html/joomla/libraries/legacy/controller/legacy.php(702): ContentController->display()
#7 /var/www/html/joomla/components/com_content/content.php(38): JControllerLegacy->execute('')
#8 /var/www/html/joomla/libraries/cms/component/helper.php(405): require_once('/var/www/html/j...')
#9 /var/www/html/joomla/libraries/cms/component/helper.php(380): JComponentHelper::executeComponent('/var/www/html/j...')
#10 /var/www/html/joomla/libraries/cms/application/site.php(191): JComponentHelper::renderComponent('com_content')
#11 /var/www/html/joomla/libraries/cms/application/site.php(230): JApplicationSite->dispatch()
#12 /var/www/html/joomla/libraries/cms/application/cms.php(261): JApplicationSite->doExecute()
#13 /var/www/html/joomla/index.php(50): JApplicationCms->execute()
#14 {main}