Error

exception 'RuntimeException' with message 'Error decoding JSON data: object value separator ',' expected' in /srv/www/ceesa-org/joomla/archive/joomla/libraries/vendor/joomla/registry/src/Format/Json.php:72 Stack trace: #0 /srv/www/ceesa-org/joomla/archive/joomla/libraries/vendor/joomla/registry/src/Registry.php(366): Joomla\Registry\Format\Json->stringToObject('{"show_title":"...', Array) #1 /srv/www/ceesa-org/joomla/archive/joomla/libraries/vendor/joomla/registry/src/Registry.php(72): Joomla\Registry\Registry->loadString('{"show_title":"...') #2 /srv/www/ceesa-org/joomla/archive/joomla/components/com_content/models/article.php(162): Joomla\Registry\Registry->__construct('{"show_title":"...') #3 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/MVC/View/HtmlView.php(423): ContentModelArticle->getItem() #4 /srv/www/ceesa-org/joomla/archive/joomla/components/com_content/views/article/view.html.php(42): Joomla\CMS\MVC\View\HtmlView->get('Item') #5 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/MVC/Controller/BaseController.php(672): ContentViewArticle->display() #6 /srv/www/ceesa-org/joomla/archive/joomla/components/com_content/controller.php(113): Joomla\CMS\MVC\Controller\BaseController->display(true, Array) #7 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/MVC/Controller/BaseController.php(710): ContentController->display() #8 /srv/www/ceesa-org/joomla/archive/joomla/components/com_content/content.php(43): Joomla\CMS\MVC\Controller\BaseController->execute(NULL) #9 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/Component/ComponentHelper.php(382): require_once('/srv/www/ceesa-...') #10 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/Component/ComponentHelper.php(357): Joomla\CMS\Component\ComponentHelper::executeComponent('/srv/www/ceesa-...') #11 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/Application/SiteApplication.php(194): Joomla\CMS\Component\ComponentHelper::renderComponent('com_content') #12 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/Application/SiteApplication.php(233): Joomla\CMS\Application\SiteApplication->dispatch() #13 /srv/www/ceesa-org/joomla/archive/joomla/libraries/src/Application/CMSApplication.php(195): Joomla\CMS\Application\SiteApplication->doExecute() #14 /srv/www/ceesa-org/joomla/archive/joomla/index.php(49): Joomla\CMS\Application\CMSApplication->execute() #15 {main}