Constant is called "SMARTY_DIR" not "SMARTY_PATH"

htdocs/index.php

@@ -28,7 +28,7 @@ require("../lib/error.php");
 
 
 // Include the Smarty templating engine
-require(SMARTY_PATH."Smarty.class.php");
+require(SMARTY_DIR."Smarty.class.php");
 $smarty = new Smarty;
 $smarty->template_dir = SUCS_BASEDIR."templates";
 $smarty->compile_dir = SUCS_BASEDIR."templates_c";