Before throwing a 'smarty3 dir does not exist' fatal error, try and create it. We did try and create it during install, but the template processor is initalised long before we get to that code (and throws that ugly error).

Zotlabs/Module/Setup.php

@@ -43,11 +43,11 @@ class Setup extends \Zotlabs\Web\Controller {
 			killme();
 		}
 	
-		if (x($_POST, 'pass'))
+		if (x($_POST, 'pass')) {
 			$this->install_wizard_pass = intval($_POST['pass']);
+		}
 		else {
 			$this->install_wizard_pass = 1;
-			@os_mkdir(TEMPLATE_BUILD_PATH, STORAGE_DEFAULT_PERMISSIONS, true);
 		}
 	}