Upload files to 'includes'

includes/InvalidDatabaseException.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MaxMind\Db\Reader;
+
+use Exception;
+
+/**
+ * This class should be thrown when unexpected data is found in the database.
+ */
+class InvalidDatabaseException extends Exception
+{
+}