Fatal error: Uncaught --> Smarty Compiler: Syntax error in template "file:_head.tpl" on line 6 "{assign var="og_image" value=$page_image|default:$system.system_url ~ "/content/themes/" ~ $system.theme ~ "/images/hero.jpg"}" - Unexpected "~" <-- thrown in /home/ocmfsszv/domains/unitymix.com/public_html/content/themes/unity+/templates/_head.tpl on line 6