Not working with Grav 1.6.6

[jgate]

Twig \ Error \ SyntaxError
An exception has been thrown during the compilation of a template ("preg_match_all(): Compilation failed: missing ) at offset 53") in "@shortcodes:C:/xampp/htdocs/????/user/pages/home".
Previous exceptions
preg_match_all(): Compilation failed: missing ) at offset 53 (2)