diff --git a/core/Exception/NotYetInstalledException.php b/core/Exception/NotYetInstalledException.php
new file mode 100644
index 0000000000000000000000000000000000000000..ed2c048bfb8d0b98c7cab0828487438f83060b45
--- /dev/null
+++ b/core/Exception/NotYetInstalledException.php
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Exception;
+
+class NotYetInstalledException extends Exception
+{
+}