diff --git a/lib/Exceptions/InvalidRelativePathException.php b/lib/Exceptions/InvalidRelativePathException.php
new file mode 100644
index 0000000..3044400
--- /dev/null
+++ b/lib/Exceptions/InvalidRelativePathException.php
@@ -0,0 +1,6 @@
+<?php
+
+namespace OCA\GroupfolderFilesystemSnapshots\Exceptions;
+
+class InvalidRelativePathException extends \RuntimeException {
+}